diff --git a/addons/website_slides/controllers/main.py b/addons/website_slides/controllers/main.py
index 7c8593c48e7..2e0091b53f1 100644
--- a/addons/website_slides/controllers/main.py
+++ b/addons/website_slides/controllers/main.py
@@ -295,8 +295,8 @@ class website_slides(http.Controller):
         payload = request.httprequest.content_length
         # payload is total request content size so it's not exact size of file.
         # already add client validation this is for double check if client alter.
-        if (payload / 1024 / 1024 > 15):
-            return {'error': _('File is too big. File size cannot exceed 15MB')}
+        if (payload / 1024 / 1024 > 25):
+            return {'error': _('File is too big. File size cannot exceed 25MB')}
 
         values = dict((fname, post[fname]) for fname in [
             'name', 'url', 'tag_ids', 'slide_type', 'channel_id',
diff --git a/addons/website_slides/i18n/af.po b/addons/website_slides/i18n/af.po
index 2bd8a3f36f5..30a0462ba45 100644
--- a/addons/website_slides/i18n/af.po
+++ b/addons/website_slides/i18n/af.po
@@ -640,7 +640,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/ar.po b/addons/website_slides/i18n/ar.po
index e18931fd0ca..6a61ff8397b 100644
--- a/addons/website_slides/i18n/ar.po
+++ b/addons/website_slides/i18n/ar.po
@@ -641,7 +641,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/bg.po b/addons/website_slides/i18n/bg.po
index 9ce06548bd0..f59f491ca58 100644
--- a/addons/website_slides/i18n/bg.po
+++ b/addons/website_slides/i18n/bg.po
@@ -640,7 +640,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/bs.po b/addons/website_slides/i18n/bs.po
index bac5e9a702a..18572e8387c 100644
--- a/addons/website_slides/i18n/bs.po
+++ b/addons/website_slides/i18n/bs.po
@@ -640,7 +640,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/ca.po b/addons/website_slides/i18n/ca.po
index 59aa06603c8..4168ffb4009 100644
--- a/addons/website_slides/i18n/ca.po
+++ b/addons/website_slides/i18n/ca.po
@@ -640,7 +640,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/cs.po b/addons/website_slides/i18n/cs.po
index 0fb15235747..d24aa70492f 100644
--- a/addons/website_slides/i18n/cs.po
+++ b/addons/website_slides/i18n/cs.po
@@ -640,7 +640,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/da.po b/addons/website_slides/i18n/da.po
index 3c1f0e944fd..a0910b56d6a 100644
--- a/addons/website_slides/i18n/da.po
+++ b/addons/website_slides/i18n/da.po
@@ -640,7 +640,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/de.po b/addons/website_slides/i18n/de.po
index 5411d853912..55a7b4b45bc 100644
--- a/addons/website_slides/i18n/de.po
+++ b/addons/website_slides/i18n/de.po
@@ -646,8 +646,8 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
-msgstr "Datei ist zu gross. Dateigrösse darf 15MB nicht überschreiten."
+msgid "File is too big. File size cannot exceed 25MB"
+msgstr "Datei ist zu gross. Dateigrösse darf 25MB nicht überschreiten."
 
 #. module: website_slides
 #: model:ir.model.fields,field_description:website_slides.field_slide_channel_message_follower_ids
diff --git a/addons/website_slides/i18n/el.po b/addons/website_slides/i18n/el.po
index 51d5bb5dc98..f184d7ac599 100644
--- a/addons/website_slides/i18n/el.po
+++ b/addons/website_slides/i18n/el.po
@@ -641,8 +641,8 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
-msgstr "Το αρχείο είναι πολύ μεγάλο. Το μέγεθος του αρχείου δεν μπορεί να ξεπερνά τα 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
+msgstr "Το αρχείο είναι πολύ μεγάλο. Το μέγεθος του αρχείου δεν μπορεί να ξεπερνά τα 25MB"
 
 #. module: website_slides
 #: model:ir.model.fields,field_description:website_slides.field_slide_channel_message_follower_ids
diff --git a/addons/website_slides/i18n/en_GB.po b/addons/website_slides/i18n/en_GB.po
index 3c3bc729054..a0060ba31ef 100644
--- a/addons/website_slides/i18n/en_GB.po
+++ b/addons/website_slides/i18n/en_GB.po
@@ -641,7 +641,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/es.po b/addons/website_slides/i18n/es.po
index ee074dd4369..d635edd6790 100644
--- a/addons/website_slides/i18n/es.po
+++ b/addons/website_slides/i18n/es.po
@@ -647,8 +647,8 @@ msgstr "Política de destacar"
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
-msgstr "El archivo es demasiado grande. El tamaño no puede exceder los 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
+msgstr "El archivo es demasiado grande. El tamaño no puede exceder los 25MB"
 
 #. module: website_slides
 #: model:ir.model.fields,field_description:website_slides.field_slide_channel_message_follower_ids
diff --git a/addons/website_slides/i18n/es_AR.po b/addons/website_slides/i18n/es_AR.po
index a1b41480b69..a68b6acda63 100644
--- a/addons/website_slides/i18n/es_AR.po
+++ b/addons/website_slides/i18n/es_AR.po
@@ -640,7 +640,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/es_CL.po b/addons/website_slides/i18n/es_CL.po
index 25825f0e58f..9543b7fc2bc 100644
--- a/addons/website_slides/i18n/es_CL.po
+++ b/addons/website_slides/i18n/es_CL.po
@@ -640,7 +640,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/es_CO.po b/addons/website_slides/i18n/es_CO.po
index b95595602f9..2a53fbd181c 100644
--- a/addons/website_slides/i18n/es_CO.po
+++ b/addons/website_slides/i18n/es_CO.po
@@ -644,8 +644,8 @@ msgstr "Política de Destacar"
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
-msgstr "El archivo es demasiado grande. El tamaño no puede exceder los 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
+msgstr "El archivo es demasiado grande. El tamaño no puede exceder los 25MB"
 
 #. module: website_slides
 #: model:ir.model.fields,field_description:website_slides.field_slide_channel_message_follower_ids
diff --git a/addons/website_slides/i18n/es_CR.po b/addons/website_slides/i18n/es_CR.po
index 58934d3feab..c90853304d1 100644
--- a/addons/website_slides/i18n/es_CR.po
+++ b/addons/website_slides/i18n/es_CR.po
@@ -634,7 +634,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/es_DO.po b/addons/website_slides/i18n/es_DO.po
index 92b956fa4df..8fbc6ea74ac 100644
--- a/addons/website_slides/i18n/es_DO.po
+++ b/addons/website_slides/i18n/es_DO.po
@@ -640,7 +640,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/es_EC.po b/addons/website_slides/i18n/es_EC.po
index e4b66b40d4e..8643f5cd1e2 100644
--- a/addons/website_slides/i18n/es_EC.po
+++ b/addons/website_slides/i18n/es_EC.po
@@ -645,8 +645,8 @@ msgstr "Política de destacar"
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
-msgstr "El archivo es demasiado grande. El tamaño no puede exceder los 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
+msgstr "El archivo es demasiado grande. El tamaño no puede exceder los 25MB"
 
 #. module: website_slides
 #: model:ir.model.fields,field_description:website_slides.field_slide_channel_message_follower_ids
diff --git a/addons/website_slides/i18n/es_MX.po b/addons/website_slides/i18n/es_MX.po
index 83b075172cf..25d19b6bff8 100644
--- a/addons/website_slides/i18n/es_MX.po
+++ b/addons/website_slides/i18n/es_MX.po
@@ -641,7 +641,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/es_PE.po b/addons/website_slides/i18n/es_PE.po
index c4f43fc3d21..6a3f06544fe 100644
--- a/addons/website_slides/i18n/es_PE.po
+++ b/addons/website_slides/i18n/es_PE.po
@@ -641,7 +641,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/es_PY.po b/addons/website_slides/i18n/es_PY.po
index 52c2ce65c8e..18ff9bf7cec 100644
--- a/addons/website_slides/i18n/es_PY.po
+++ b/addons/website_slides/i18n/es_PY.po
@@ -634,7 +634,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/es_VE.po b/addons/website_slides/i18n/es_VE.po
index 31166d39a5b..975becaa5b5 100644
--- a/addons/website_slides/i18n/es_VE.po
+++ b/addons/website_slides/i18n/es_VE.po
@@ -640,7 +640,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/et.po b/addons/website_slides/i18n/et.po
index 43e30f75053..04c143db468 100644
--- a/addons/website_slides/i18n/et.po
+++ b/addons/website_slides/i18n/et.po
@@ -641,7 +641,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/eu.po b/addons/website_slides/i18n/eu.po
index 46d8e7a1f4c..4540d66d14f 100644
--- a/addons/website_slides/i18n/eu.po
+++ b/addons/website_slides/i18n/eu.po
@@ -640,7 +640,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/fa.po b/addons/website_slides/i18n/fa.po
index 3c6606dd979..d5e8f258e8c 100644
--- a/addons/website_slides/i18n/fa.po
+++ b/addons/website_slides/i18n/fa.po
@@ -640,7 +640,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/fi.po b/addons/website_slides/i18n/fi.po
index e54d61dbc4f..c3b53f9ef65 100644
--- a/addons/website_slides/i18n/fi.po
+++ b/addons/website_slides/i18n/fi.po
@@ -642,7 +642,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/fr.po b/addons/website_slides/i18n/fr.po
index 26135a3aa44..f9178fe3f06 100644
--- a/addons/website_slides/i18n/fr.po
+++ b/addons/website_slides/i18n/fr.po
@@ -646,8 +646,8 @@ msgstr "Politique de mise en vedette"
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
-msgstr "Le fichier est trop gros. La taille maximum est limitée à 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
+msgstr "Le fichier est trop gros. La taille maximum est limitée à 25MB"
 
 #. module: website_slides
 #: model:ir.model.fields,field_description:website_slides.field_slide_channel_message_follower_ids
diff --git a/addons/website_slides/i18n/gl.po b/addons/website_slides/i18n/gl.po
index bdd823d7c95..2252c83d8e6 100644
--- a/addons/website_slides/i18n/gl.po
+++ b/addons/website_slides/i18n/gl.po
@@ -634,7 +634,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/he.po b/addons/website_slides/i18n/he.po
index 7fca2f19aac..aedbf71624b 100644
--- a/addons/website_slides/i18n/he.po
+++ b/addons/website_slides/i18n/he.po
@@ -640,7 +640,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/hr.po b/addons/website_slides/i18n/hr.po
index 45aa0ab1c6f..c8f63b33705 100644
--- a/addons/website_slides/i18n/hr.po
+++ b/addons/website_slides/i18n/hr.po
@@ -642,7 +642,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr "Datotetka je prevelika. Veličina datoteke ne smije prelaziti 15 MB"
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/hu.po b/addons/website_slides/i18n/hu.po
index bd05bf7db1d..4b092f62276 100644
--- a/addons/website_slides/i18n/hu.po
+++ b/addons/website_slides/i18n/hu.po
@@ -641,7 +641,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/id.po b/addons/website_slides/i18n/id.po
index 9954295e702..3db93f7cf91 100644
--- a/addons/website_slides/i18n/id.po
+++ b/addons/website_slides/i18n/id.po
@@ -640,7 +640,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/it.po b/addons/website_slides/i18n/it.po
index 1142cc22b3d..42a14aad20b 100644
--- a/addons/website_slides/i18n/it.po
+++ b/addons/website_slides/i18n/it.po
@@ -641,8 +641,8 @@ msgstr "Politica in primo piano"
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
-msgstr "Il file è troppo grande. Il file non può eccedere i 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
+msgstr "Il file è troppo grande. Il file non può eccedere i 25MB"
 
 #. module: website_slides
 #: model:ir.model.fields,field_description:website_slides.field_slide_channel_message_follower_ids
diff --git a/addons/website_slides/i18n/ja.po b/addons/website_slides/i18n/ja.po
index 39f7228f6a5..6f074f06f26 100644
--- a/addons/website_slides/i18n/ja.po
+++ b/addons/website_slides/i18n/ja.po
@@ -641,7 +641,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/ka.po b/addons/website_slides/i18n/ka.po
index 5e226eb2da8..1a6e64d068a 100644
--- a/addons/website_slides/i18n/ka.po
+++ b/addons/website_slides/i18n/ka.po
@@ -640,7 +640,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/kab.po b/addons/website_slides/i18n/kab.po
index 892f0b61df9..547b1977376 100644
--- a/addons/website_slides/i18n/kab.po
+++ b/addons/website_slides/i18n/kab.po
@@ -634,7 +634,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/ko.po b/addons/website_slides/i18n/ko.po
index 6d07af7b5c5..b4077e54e48 100644
--- a/addons/website_slides/i18n/ko.po
+++ b/addons/website_slides/i18n/ko.po
@@ -640,7 +640,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/lt.po b/addons/website_slides/i18n/lt.po
index 99ac28ec5ec..9e480bdc208 100644
--- a/addons/website_slides/i18n/lt.po
+++ b/addons/website_slides/i18n/lt.po
@@ -640,7 +640,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/lv.po b/addons/website_slides/i18n/lv.po
index 03dd02c891a..0b22c0bc20d 100644
--- a/addons/website_slides/i18n/lv.po
+++ b/addons/website_slides/i18n/lv.po
@@ -634,7 +634,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/mk.po b/addons/website_slides/i18n/mk.po
index 5fbe50a584f..9d7b08a5de0 100644
--- a/addons/website_slides/i18n/mk.po
+++ b/addons/website_slides/i18n/mk.po
@@ -641,8 +641,8 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
-msgstr "Големината на датотеката е преголема. Големината не смее да го надминува лимитот од 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
+msgstr "Големината на датотеката е преголема. Големината не смее да го надминува лимитот од 25MB"
 
 #. module: website_slides
 #: model:ir.model.fields,field_description:website_slides.field_slide_channel_message_follower_ids
diff --git a/addons/website_slides/i18n/mn.po b/addons/website_slides/i18n/mn.po
index 4c4894198fe..a546bea30b1 100644
--- a/addons/website_slides/i18n/mn.po
+++ b/addons/website_slides/i18n/mn.po
@@ -640,7 +640,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/nb.po b/addons/website_slides/i18n/nb.po
index ec077e94099..cd62bf54320 100644
--- a/addons/website_slides/i18n/nb.po
+++ b/addons/website_slides/i18n/nb.po
@@ -640,7 +640,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/nl.po b/addons/website_slides/i18n/nl.po
index 61120c50c9a..d0ee78d43a0 100644
--- a/addons/website_slides/i18n/nl.po
+++ b/addons/website_slides/i18n/nl.po
@@ -643,8 +643,8 @@ msgstr "Beleidsregelsopties"
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
-msgstr "Bestand is te groot. Bestand mag niet groter zijn dan 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
+msgstr "Bestand is te groot. Bestand mag niet groter zijn dan 25MB"
 
 #. module: website_slides
 #: model:ir.model.fields,field_description:website_slides.field_slide_channel_message_follower_ids
diff --git a/addons/website_slides/i18n/nl_BE.po b/addons/website_slides/i18n/nl_BE.po
index 52482751ac1..3c9539d5097 100644
--- a/addons/website_slides/i18n/nl_BE.po
+++ b/addons/website_slides/i18n/nl_BE.po
@@ -640,7 +640,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/pl.po b/addons/website_slides/i18n/pl.po
index 8cc25261a77..4bd8f505c92 100644
--- a/addons/website_slides/i18n/pl.po
+++ b/addons/website_slides/i18n/pl.po
@@ -642,7 +642,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/pt.po b/addons/website_slides/i18n/pt.po
index 80e09a5eb12..d5df53a31ef 100644
--- a/addons/website_slides/i18n/pt.po
+++ b/addons/website_slides/i18n/pt.po
@@ -643,7 +643,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/pt_BR.po b/addons/website_slides/i18n/pt_BR.po
index 4cfaaf04ed2..9c87a586046 100644
--- a/addons/website_slides/i18n/pt_BR.po
+++ b/addons/website_slides/i18n/pt_BR.po
@@ -644,7 +644,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/ro.po b/addons/website_slides/i18n/ro.po
index ae64ef2ae0e..b5c2ae6078c 100644
--- a/addons/website_slides/i18n/ro.po
+++ b/addons/website_slides/i18n/ro.po
@@ -640,7 +640,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/ru.po b/addons/website_slides/i18n/ru.po
index b465dc05c2b..bdd24a4f76f 100644
--- a/addons/website_slides/i18n/ru.po
+++ b/addons/website_slides/i18n/ru.po
@@ -640,7 +640,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/sk.po b/addons/website_slides/i18n/sk.po
index 1a274622556..cdb4ae67d44 100644
--- a/addons/website_slides/i18n/sk.po
+++ b/addons/website_slides/i18n/sk.po
@@ -643,8 +643,8 @@ msgstr "Pravidlá zaradenia"
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
-msgstr "Súbor je príliš veľký. Veľkosť súboru nemôže presiahnuť 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
+msgstr "Súbor je príliš veľký. Veľkosť súboru nemôže presiahnuť 25MB"
 
 #. module: website_slides
 #: model:ir.model.fields,field_description:website_slides.field_slide_channel_message_follower_ids
diff --git a/addons/website_slides/i18n/sl.po b/addons/website_slides/i18n/sl.po
index 3fe91963505..b3128564521 100644
--- a/addons/website_slides/i18n/sl.po
+++ b/addons/website_slides/i18n/sl.po
@@ -641,7 +641,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/sq.po b/addons/website_slides/i18n/sq.po
index b38d121b02d..9afa66067bb 100644
--- a/addons/website_slides/i18n/sq.po
+++ b/addons/website_slides/i18n/sq.po
@@ -640,7 +640,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/sr.po b/addons/website_slides/i18n/sr.po
index bd137ad2eaf..0d641e07468 100644
--- a/addons/website_slides/i18n/sr.po
+++ b/addons/website_slides/i18n/sr.po
@@ -640,7 +640,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/sr@latin.po b/addons/website_slides/i18n/sr@latin.po
index 58242a0d054..2f7b75eb626 100644
--- a/addons/website_slides/i18n/sr@latin.po
+++ b/addons/website_slides/i18n/sr@latin.po
@@ -640,7 +640,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/sv.po b/addons/website_slides/i18n/sv.po
index 8ec09378cc7..b9f83ab73fd 100644
--- a/addons/website_slides/i18n/sv.po
+++ b/addons/website_slides/i18n/sv.po
@@ -640,7 +640,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/th.po b/addons/website_slides/i18n/th.po
index 512c60d8df8..1c79988323a 100644
--- a/addons/website_slides/i18n/th.po
+++ b/addons/website_slides/i18n/th.po
@@ -641,7 +641,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/tr.po b/addons/website_slides/i18n/tr.po
index 0920d7b698a..8c3b72e5abf 100644
--- a/addons/website_slides/i18n/tr.po
+++ b/addons/website_slides/i18n/tr.po
@@ -641,7 +641,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/uk.po b/addons/website_slides/i18n/uk.po
index c675475567c..85620f860ff 100644
--- a/addons/website_slides/i18n/uk.po
+++ b/addons/website_slides/i18n/uk.po
@@ -642,7 +642,7 @@ msgstr "Плавила включення"
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr "Файл надто великий. Розмір не повинен перевищувати 15 МБ."
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/vi.po b/addons/website_slides/i18n/vi.po
index a66550d5756..2ad3664d417 100644
--- a/addons/website_slides/i18n/vi.po
+++ b/addons/website_slides/i18n/vi.po
@@ -640,7 +640,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/i18n/zh_CN.po b/addons/website_slides/i18n/zh_CN.po
index f5fe122a524..65e618fd30a 100644
--- a/addons/website_slides/i18n/zh_CN.po
+++ b/addons/website_slides/i18n/zh_CN.po
@@ -652,8 +652,8 @@ msgstr "特性政策"
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
-msgstr "文件太大。文件大小不能超过15MB"
+msgid "File is too big. File size cannot exceed 25MB"
+msgstr "文件太大。文件大小不能超过25MB"
 
 #. module: website_slides
 #: model:ir.model.fields,field_description:website_slides.field_slide_channel_message_follower_ids
diff --git a/addons/website_slides/i18n/zh_TW.po b/addons/website_slides/i18n/zh_TW.po
index f563b4de62f..bdc4e172650 100644
--- a/addons/website_slides/i18n/zh_TW.po
+++ b/addons/website_slides/i18n/zh_TW.po
@@ -640,7 +640,7 @@ msgstr ""
 #: code:addons/website_slides/controllers/main.py:299
 #: code:addons/website_slides/static/src/js/slides_upload.js:90
 #, python-format
-msgid "File is too big. File size cannot exceed 15MB"
+msgid "File is too big. File size cannot exceed 25MB"
 msgstr ""
 
 #. module: website_slides
diff --git a/addons/website_slides/static/src/js/slides_upload.js b/addons/website_slides/static/src/js/slides_upload.js
index ea7ec99e401..b8fbe164421 100644
--- a/addons/website_slides/static/src/js/slides_upload.js
+++ b/addons/website_slides/static/src/js/slides_upload.js
@@ -86,8 +86,8 @@ var SlideDialog = Widget.extend({
             this.reset_file();
             return;
         }
-        if (file.size / 1024 / 1024 > 15) {
-            this.display_alert(_t("File is too big. File size cannot exceed 15MB"));
+        if (file.size / 1024 / 1024 > 25) {
+            this.display_alert(_t("File is too big. File size cannot exceed 25MB"));
             this.reset_file();
             return;
         }