diff --git a/addons/mass_mailing_sms/static/description/icon.png b/addons/mass_mailing_sms/static/description/icon.png
index 7dbb33addee..3076ce49bea 100644
Binary files a/addons/mass_mailing_sms/static/description/icon.png and b/addons/mass_mailing_sms/static/description/icon.png differ
diff --git a/addons/mass_mailing_sms/static/description/icon.svg b/addons/mass_mailing_sms/static/description/icon.svg
index 89055592c82..b4feab2c5ca 100644
--- a/addons/mass_mailing_sms/static/description/icon.svg
+++ b/addons/mass_mailing_sms/static/description/icon.svg
@@ -1,70 +1 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Generator: Adobe Illustrator 23.0.4, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
-<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
-	 viewBox="0 0 70 70" style="enable-background:new 0 0 70 70;" xml:space="preserve">
-<style type="text/css">
-	.st0{filter:url(#Adobe_OpacityMaskFilter);}
-	.st1{fill-rule:evenodd;clip-rule:evenodd;fill:#FFFFFF;}
-	.st2{mask:url(#icon-b_1_);}
-	.st3{fill-rule:evenodd;clip-rule:evenodd;fill:url(#SVGID_1_);}
-	.st4{fill-rule:evenodd;clip-rule:evenodd;fill:#FFFFFF;fill-opacity:0.383;}
-	.st5{fill-rule:evenodd;clip-rule:evenodd;fill-opacity:0.151;}
-	.st6{fill-rule:evenodd;clip-rule:evenodd;fill-opacity:0.383;}
-	.st7{opacity:0.5;}
-	.st8{fill:#FFFFFF;}
-	.st9{filter:url(#Adobe_OpacityMaskFilter_1_);}
-	.st10{mask:url(#icon-b_2_);}
-	.st11{fill-rule:evenodd;clip-rule:evenodd;fill:url(#SVGID_2_);}
-	.st12{fill-rule:evenodd;clip-rule:evenodd;fill:url(#SVGID_3_);}
-</style>
-<defs>
-	<filter id="Adobe_OpacityMaskFilter" filterUnits="userSpaceOnUse" x="-0.1" y="-0.2" width="70.1" height="70.2">
-		<feColorMatrix  type="matrix" values="1 0 0 0 0  0 1 0 0 0  0 0 1 0 0  0 0 0 1 0"/>
-	</filter>
-</defs>
-<mask maskUnits="userSpaceOnUse" x="-0.1" y="-0.2" width="70.1" height="70.2" id="icon-b_2_">
-	<g class="st0">
-		<path id="icon-a_2_" class="st1" d="M4,0c32.4,0,54.1,0,61,0c4,0,5,1,5,5c0,38,0,57.4,0,60c0,4-1,5-5,5S9,70,4,70c-3,0-4-1-4-5
-			c0-2.5,0-23.2,0-60C0,1,1,0,4,0z"/>
-	</g>
-</mask>
-<g class="st10">
-	
-		<linearGradient id="SVGID_1_" gradientUnits="userSpaceOnUse" x1="-636.7537" y1="415.0251" x2="-637.7537" y2="414.0389" gradientTransform="matrix(70 0 0 -70 44643 29052)">
-		<stop  offset="0" style="stop-color:#797C79"/>
-		<stop  offset="1" style="stop-color:#545554"/>
-	</linearGradient>
-	<path class="st3" d="M0,0h70v70H0V0z"/>
-	<path class="st6" d="M4,69h61c2.7,0,4.3-1,5-3v4H0v-4C0.7,68,2,69,4,69z"/>
-	
-		<linearGradient id="SVGID_2_" gradientUnits="userSpaceOnUse" x1="-636.7571" y1="415.0286" x2="-637.7571" y2="414.0286" gradientTransform="matrix(70 0 0 -70 44643 29052)">
-		<stop  offset="0" style="stop-color:#94B6C8"/>
-		<stop  offset="1" style="stop-color:#6A9EBA"/>
-	</linearGradient>
-	<path class="st11" d="M0,0h70v70H0V0z"/>
-	<path class="st4" d="M4,1h61c2.7,0,4.3,0.7,5,2c0-2.7,0-3.7,0-3H0c0-0.7,0,0.3,0,3C0.7,1.7,2,1,4,1z"/>
-	<path class="st6" d="M4,69h61c2.7,0,4.3-1,5-3v4H0v-4C0.7,68,2,69,4,69z"/>
-	<g transform="translate(0 22)">
-		<g>
-			<path id="icon-d_1_" class="st5" d="M4,46.9c-2,0-4-1-4-4.1V7l18.6-18.9h25.7l1.2,8.5l-1.9,1.9l11.1,7.6v8.3l-9.1,9.3l-0.7,11.7
-				L32.2,46.9H4z"/>
-		</g>
-	</g>
-	<path class="st7" d="M45.4,12.1c0-1.1-0.9-2-2-2H20.1c-1.1,0-2,0.9-2,2v44.6c0,1.1,0.9,2,2,2h23.3c1.1,0,2-0.9,2-2V42.7
-		c-0.7,0.5-1.5,1-2.3,1.4v9.3c0,0.2-0.1,0.3-0.3,0.3H20.7c-0.2,0-0.3-0.1-0.3-0.3v-37c0-0.2,0.1-0.3,0.3-0.3h22.1
-		c0.2,0,0.3,0.1,0.3,0.3v2.8c0.5,0,1.1-0.1,1.6-0.1c0.2,0,0.5,0,0.7,0V12.1z M31.8,54.5c0.8,0,1.5,0.7,1.5,1.5
-		c0,0.8-0.7,1.5-1.5,1.5c-0.8,0-1.5-0.7-1.5-1.5C30.3,55.2,31,54.5,31.8,54.5z M34.9,14.6h-6.1c-0.3,0-0.5-0.2-0.5-0.5
-		s0.2-0.5,0.5-0.5h6.1c0.3,0,0.5,0.2,0.5,0.5S35.1,14.6,34.9,14.6z"/>
-	<path class="st8" d="M44.7,41.7c-0.5,0-1.1,0-1.6-0.1v11.1c0,0.2-0.1,0.3-0.3,0.3H20.7c-0.2,0-0.3-0.1-0.3-0.3v-37
-		c0-0.2,0.1-0.3,0.3-0.3h22.1c0.2,0,0.3,0.1,0.3,0.3v2.9c0.5,0,1.1-0.1,1.6-0.1c0.2,0,0.5,0,0.7,0v-7.2c0-1.1-0.9-2-2-2H20.1
-		c-1.1,0-2,0.9-2,2V56c0,1.1,0.9,2,2,2h23.3c1.1,0,2-0.9,2-2V41.7C45.2,41.7,44.9,41.7,44.7,41.7z M28.7,13h6.1
-		c0.3,0,0.5,0.2,0.5,0.5S35.1,14,34.9,14h-6.1c-0.3,0-0.5-0.2-0.5-0.5S28.4,13,28.7,13z M31.8,56.9c-0.8,0-1.5-0.7-1.5-1.5
-		c0-0.8,0.7-1.5,1.5-1.5c0.8,0,1.5,0.7,1.5,1.5C33.3,56.3,32.6,56.9,31.8,56.9z"/>
-</g>
-<path id="icon-e" class="st7" d="M44.7,40.6c-2.2,0-4.3-0.4-6.1-1.1c-1.8,1.5-4.1,2.3-6.5,2.6c0,0,0,0-0.1,0c-0.2,0-0.4-0.1-0.5-0.4
-	c-0.1-0.2,0.1-0.4,0.3-0.5c0.9-0.9,1.9-1.5,2.4-4.4c-1.7-1.6-2.7-3.6-2.7-5.8c0-5.3,5.9-9.7,13.1-9.7s13.1,4.3,13.1,9.7
-	C57.8,36.3,51.9,40.6,44.7,40.6z"/>
-<path class="st8" d="M44.7,39.7c-2.2,0-4.3-0.4-6.1-1.1c-1.8,1.5-4.1,2.3-6.5,2.6c0,0,0,0-0.1,0c-0.2,0-0.4-0.1-0.5-0.4
-	c-0.1-0.2,0.1-0.4,0.3-0.5c0.9-0.9,1.9-1.5,2.4-4.4c-1.7-1.6-2.7-3.6-2.7-5.8c0-5.3,5.9-9.7,13.1-9.7s13.1,4.3,13.1,9.7
-	C57.8,35.4,51.9,39.7,44.7,39.7z"/>
-</svg>
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="70" height="70"><defs><path id="a" d="M4 0h61c4 0 5 1 5 5v60c0 4-1 5-5 5H4c-3 0-4-1-4-5V5c0-4 1-5 4-5z"/><linearGradient id="c" x1="100%" x2="0%" y1="0%" y2="100%"><stop offset="0%" stop-color="#94B6C8"/><stop offset="100%" stop-color="#6A9EBA"/></linearGradient></defs><g fill="none" fill-rule="evenodd"><mask id="b" fill="#fff"><use xlink:href="#a"/></mask><g mask="url(#b)"><g><path fill="url(#c)" d="M0 0H70V70H0z"/><path fill="#FFF" fill-opacity=".383" d="M4 1h61c2.667 0 4.333.667 5 2V0H0v3c.667-1.333 2-2 4-2z"/></g><path fill="#000" fill-opacity=".383" d="M4 69h61c2.667 0 4.333-1 5-3v4H0v-4c.667 2 2 3 4 3z"/><path fill="#000" fill-opacity=".151" d="M3 69.6c-2 0-4-1-4-4.1V29.7l18.6-18.9L44.3 12v16.727l4.585-3.484 7.039.82-3.47 4.437 3.062 5L44.3 46.516v6.83L31.2 69.6H3z"/><path fill="#000" fill-opacity=".3" fill-rule="nonzero" d="M44.3 14c0-1.1-.9-2-2-2H19c-1.1 0-2 .9-2 2v40.6c0 1.1.9 2 2 2h23.3c1.1 0 2-.9 2-2v-10c-.7.5-1.5 1-2.3 1.4v5.3c0 .2-.1.3-.3.3H19.6c-.2 0-.3-.1-.3-.3v-33c0-.2.1-.3.3-.3h22.1c.2 0 .3.1.3.3v2.8c.5 0 1.1-.1 1.6-.1h.7v-7zM30.7 52.4c.8 0 1.5.7 1.5 1.5s-.7 1.5-1.5 1.5-1.5-.7-1.5-1.5.7-1.5 1.5-1.5zm3.1-35.9h-6.1c-.3 0-.5-.2-.5-.5s.2-.5.5-.5h6.1c.3 0 .5.2.5.5s-.3.5-.5.5z"/><path fill="#FFF" fill-rule="nonzero" d="M43.6 42.4c-.5 0-1.1 0-1.6-.1v7.1c0 .2-.1.3-.3.3H19.6c-.2 0-.3-.1-.3-.3v-33c0-.2.1-.3.3-.3h22.1c.2 0 .3.1.3.3v2.9c.5 0 1.1-.1 1.6-.1h.7V12c0-1.1-.9-2-2-2H19c-1.1 0-2 .9-2 2v40.7c0 1.1.9 2 2 2h23.3c1.1 0 2-.9 2-2V42.4h-.7zm-16-28.7h6.1c.3 0 .5.2.5.5s-.2.5-.4.5h-6.1c-.3 0-.5-.2-.5-.5s.1-.5.4-.5zm3.1 39.9c-.8 0-1.5-.7-1.5-1.5s.7-1.5 1.5-1.5 1.5.7 1.5 1.5c0 .9-.7 1.5-1.5 1.5z"/><text fill="#000" fill-opacity=".3" font-family="IBMPlexMono-Bold, IBM Plex Mono" font-size="18" font-weight="bold" letter-spacing="-.215" transform="translate(17 10)"><tspan x="8.144" y="29">SMS</tspan></text><text fill="#FFF" font-family="IBMPlexMono-Bold, IBM Plex Mono" font-size="18" font-weight="bold" letter-spacing="-.215" transform="translate(17 10)"><tspan x="8.144" y="27">SMS</tspan></text></g></g></svg>
\ No newline at end of file
diff --git a/addons/sms/models/mail_message.py b/addons/sms/models/mail_message.py
index 3f97b8abcb0..10e9ffab73b 100644
--- a/addons/sms/models/mail_message.py
+++ b/addons/sms/models/mail_message.py
@@ -54,7 +54,7 @@ class MailMessage(models.Model):
             info = dict(message._get_mail_failure_dict(),
                         failure_type='sms',
                         notifications=dict((notif.res_partner_id.id, (notif.notification_status, notif.res_partner_id.name)) for notif in notifications if notif.notification_type == 'sms'),
-                        module_icon='/sms/static/img/sms_failure.png'
+                        module_icon='/sms/static/img/sms_failure.svg'
                         )
             res.append(info)
         return res
diff --git a/addons/sms/static/img/sms_failure.png b/addons/sms/static/img/sms_failure.png
deleted file mode 100644
index 6c40062f92c..00000000000
Binary files a/addons/sms/static/img/sms_failure.png and /dev/null differ
diff --git a/addons/sms/static/img/sms_failure.svg b/addons/sms/static/img/sms_failure.svg
new file mode 100644
index 00000000000..d03ee04b23d
--- /dev/null
+++ b/addons/sms/static/img/sms_failure.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="512" height="512"><defs><path id="a" d="M91.974 123.535v-17.07c0-.839-.283-1.542-.851-2.111-.568-.57-1.24-.854-2.017-.854H71.894c-.777 0-1.449.285-2.017.854-.568.569-.851 1.272-.851 2.11v17.071c0 .839.283 1.542.851 2.111.568.57 1.24.854 2.017.854h17.212c.777 0 1.449-.285 2.017-.854.568-.569.851-1.272.851-2.11zm-.179-33.601l1.614-41.239c0-.718-.3-1.287-.897-1.707-.777-.659-1.494-.988-2.151-.988H70.639c-.657 0-1.374.33-2.151.988-.598.42-.897 1.048-.897 1.887l1.524 41.059c0 .599.3 1.093.897 1.482.597.39 1.314.584 2.151.584h16.584c.837 0 1.54-.195 2.107-.584.568-.39.881-.883.941-1.482zM90.54 6.02l68.846 126.5c2.092 3.773 2.032 7.546-.179 11.32a11.276 11.276 0 0 1-4.168 4.133 11.192 11.192 0 0 1-5.693 1.527H11.654c-2.032 0-3.93-.51-5.693-1.527a11.276 11.276 0 0 1-4.168-4.133c-2.211-3.774-2.271-7.547-.18-11.32L70.46 6.02a11.462 11.462 0 0 1 4.213-4.403A11.105 11.105 0 0 1 80.5 0c2.092 0 4.034.54 5.827 1.617A11.462 11.462 0 0 1 90.54 6.02z"/><path id="c" d="M91.974 123.535v-17.07c0-.839-.283-1.542-.851-2.111-.568-.57-1.24-.854-2.017-.854H71.894c-.777 0-1.449.285-2.017.854-.568.569-.851 1.272-.851 2.11v17.071c0 .839.283 1.542.851 2.111.568.57 1.24.854 2.017.854h17.212c.777 0 1.449-.285 2.017-.854.568-.569.851-1.272.851-2.11zm-.179-33.601l1.614-41.239c0-.718-.3-1.287-.897-1.707-.777-.659-1.494-.988-2.151-.988H70.639c-.657 0-1.374.33-2.151.988-.598.42-.897 1.048-.897 1.887l1.524 41.059c0 .599.3 1.093.897 1.482.597.39 1.314.584 2.151.584h16.584c.837 0 1.54-.195 2.107-.584.568-.39.881-.883.941-1.482zM90.54 6.02l68.846 126.5c2.092 3.773 2.032 7.546-.179 11.32a11.276 11.276 0 0 1-4.168 4.133 11.192 11.192 0 0 1-5.693 1.527H11.654c-2.032 0-3.93-.51-5.693-1.527a11.276 11.276 0 0 1-4.168-4.133c-2.211-3.774-2.271-7.547-.18-11.32L70.46 6.02a11.462 11.462 0 0 1 4.213-4.403A11.105 11.105 0 0 1 80.5 0c2.092 0 4.034.54 5.827 1.617A11.462 11.462 0 0 1 90.54 6.02z"/></defs><g fill="none" fill-rule="evenodd"><circle cx="256" cy="253" r="256" fill="#FDA20C"/><path fill="#000" fill-opacity=".3" fill-rule="nonzero" d="M361 98.292C361 90.982 353.978 85 345.396 85H163.604C155.022 85 148 90.981 148 98.292v296.416c0 7.31 7.022 13.292 15.604 13.292h181.792c8.582 0 15.604-5.981 15.604-13.292v-64.636c-5.462 3.323-11.703 6.646-17.945 9.305v33.399c0 1.329-.78 1.994-2.34 1.994h-172.43c-1.56 0-2.34-.665-2.34-1.994V126.87c0-1.329.78-1.993 2.34-1.993h172.43c1.56 0 2.34.664 2.34 1.993v63.113c3.901 0 8.582-.664 12.483-.664H361V98.292zM254.5 380c5.067 0 9.5 4.433 9.5 9.5s-4.433 9.5-9.5 9.5-9.5-4.433-9.5-9.5 4.433-9.5 9.5-9.5zm24.577-266.907h-47.593c-2.341 0-3.902-1.56-3.902-3.9s1.56-3.899 3.902-3.899h47.593c2.34 0 3.901 1.56 3.901 3.9 0 2.339-2.34 3.899-3.901 3.899z"/><path fill="#FFF" fill-rule="nonzero" d="M355.538 321.966c-3.9 0-8.582 0-12.483-.665v45.438c0 1.33-.78 1.996-2.34 1.996h-172.43c-1.56 0-2.34-.665-2.34-1.996V120.58c0-1.33.78-1.996 2.34-1.996h172.43c1.56 0 2.34.665 2.34 1.996v63.81c3.901 0 8.582-.666 12.483-.666H361V91.306C361 83.988 353.978 78 345.396 78H163.604C155.022 78 148 83.988 148 91.306v297.388c0 7.318 7.022 13.306 15.604 13.306h181.792c8.582 0 15.604-5.988 15.604-13.306v-66.728h-5.462zM230.703 98.871h47.594c2.34 0 3.9 1.56 3.9 3.901 0 2.34-1.56 3.902-3.12 3.902h-47.593c-2.341 0-3.902-1.561-3.902-3.902 0-2.34.78-3.901 3.121-3.901zM254.5 394c-5.067 0-9.5-4.433-9.5-9.5s4.433-9.5 9.5-9.5 9.5 4.433 9.5 9.5c0 5.7-4.433 9.5-9.5 9.5z"/><g opacity=".437" transform="translate(217 160)"><mask id="b" fill="#fff"><use xlink:href="#a"/></mask><g fill="#2F3136" mask="url(#b)"><path d="M0 0H161V161H0z"/></g></g><g transform="translate(217 149)"><mask id="d" fill="#fff"><use xlink:href="#c"/></mask><g fill="#FFF" mask="url(#d)"><path d="M0 0H161V161H0z"/></g></g></g></svg>
\ No newline at end of file
diff --git a/addons/sms/static/src/js/fields_phone_widget.js b/addons/sms/static/src/js/fields_phone_widget.js
index ecbe784d22d..f269b26d0ed 100644
--- a/addons/sms/static/src/js/fields_phone_widget.js
+++ b/addons/sms/static/src/js/fields_phone_widget.js
@@ -58,8 +58,10 @@ Phone.include({
             var $composerButton = $('<a>', {
                 title: _t('Send SMS Text Message'),
                 href: '',
-                class: 'btn-sm btn-link mb4 fa fa-comment o_field_phone_sms',
+                class: 'ml-3 d-inline-flex align-items-center o_field_phone_sms',
+                html: $('<small>', {class: 'font-weight-bold ml-1', html: 'SMS'}),
             });
+            $composerButton.prepend($('<i>', {class: 'fa fa-mobile'}));
             $composerButton.on('click', this._onClickSMS.bind(this));
             this.$el = $('<div/>').append(this.$el).append($composerButton);
         }
diff --git a/addons/sms/static/src/xml/thread.xml b/addons/sms/static/src/xml/thread.xml
index a28e70f0fa7..6fb9530a8f4 100644
--- a/addons/sms/static/src/xml/thread.xml
+++ b/addons/sms/static/src/xml/thread.xml
@@ -3,10 +3,13 @@
 
      <t t-extend="mail.widget.Thread.Message">
         <t t-jquery=".o_thread_tooltip_container" t-operation="after">
-            <span t-if="message.getType() === 'sms' and message.hasSmsData() and options.displaySmsIcons" class="o_thread_sms_tooltip_container">
+            <span t-if="message.getType() === 'sms' and message.hasSmsData() and options.displaySmsIcons" class="o_thread_sms_tooltip_container ml-1">
                 <t t-set="thread_icon_class" t-value="'o_thread_sms_tooltip o_thread_message_sms o_thread_message_sms_' + message.getSmsStatus()" />
-                <i t-attf-class="o_thread_sms_tooltip o_thread_message_sms o_thread_message_sms_#{message.getSmsStatus()} #{message.isError() ? 'o_thread_message_sms_error' : ''} fa fa-comment"
-   t-att-data-message-id="message.getID()"/>
+                <span t-attf-class="d-inline-flex align-items-center o_thread_sms_tooltip o_thread_message_sms o_thread_message_sms_#{message.getSmsStatus()} #{message.isError() ? 'o_thread_message_sms_error' : ''}"
+                       t-att-data-message-id="message.getID()">
+                    <i class="fa fa-mobile"/>
+                    <small class="font-weight-bold ml-1">SMS</small>
+                </span>
             </span>
         </t>
     </t>