diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 7aae4f725e..1e89e9ff5a 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -285,6 +285,39 @@
     <!-- Text for the button to not request notification permission on the device and dismiss the dialog -->
     <string name="onboarding_home_enable_notifications_negative_button">Not now</string>
 
+    <!-- Juno first user onboarding flow experiment -->
+    <!-- Title for set firefox as default browser screen.
+        The first parameter is the name of the app defined in app_name (for example: Fenix) -->
+    <string name="juno_onboarding_default_browser_title" tools:ignore="UnusedResources">Make %s your go-to browser</string>
+    <!-- Description for set firefox as default browser screen.
+        The first parameter is the string with key "juno_onboarding_default_browser_description_link_text", that says "privacy notice" in en-* -->
+    <string name="juno_onboarding_default_browser_description" tools:ignore="UnusedResources">Firefox puts people over profits and defends your privacy by blocking cross-site trackers.\n\nLearn more in our %s.</string>
+    <!-- Text for the link to the privacy notice webpage for set as firefox default browser screen.
+    This is part of the string with the key "juno_onboarding_default_browser_description". -->
+    <string name="juno_onboarding_default_browser_description_link_text" tools:ignore="UnusedResources">privacy notice</string>
+    <!-- Text for the button to set firefox as default browser on the device -->
+    <string name="juno_onboarding_default_browser_positive_button" tools:ignore="UnusedResources">Set as default browser</string>
+    <!-- Text for the button dismiss the screen and move on with the flow -->
+    <string name="juno_onboarding_default_browser_negative_button" tools:ignore="UnusedResources">Not now</string>
+    <!-- Title for sign in to sync screen. -->
+    <string name="juno_onboarding_sign_in_title" tools:ignore="UnusedResources">Hop from phone to laptop and back</string>
+    <!-- Description for sign in to sync screen. -->
+    <string name="juno_onboarding_sign_in_description" tools:ignore="UnusedResources">Grab tabs and passwords from your other devices to pick up where you left off.</string>
+    <!-- Text for the button to sign in to sync on the device -->
+    <string name="juno_onboarding_sign_in_positive_button" tools:ignore="UnusedResources">Sign in</string>
+    <!-- Text for the button dismiss the screen and move on with the flow -->
+    <string name="juno_onboarding_sign_in_negative_button" tools:ignore="UnusedResources">Not now</string>
+    <!-- Title for enable notification permission screen.
+        The first parameter is the name of the app defined in app_name (for example: Fenix) -->
+    <string name="juno_onboarding_enable_notifications_title" tools:ignore="UnusedResources">Notifications help you do more with %s</string>
+    <!-- Description for enable notification permission screen.
+        The first parameter is the name of the app defined in app_name (for example: Fenix) -->
+    <string name="juno_onboarding_enable_notifications_description" tools:ignore="UnusedResources">Send tabs between devices, manage downloads, and get tips on getting the most out of %s.</string>
+    <!-- Text for the button to request notification permission on the device -->
+    <string name="juno_onboarding_enable_notifications_positive_button" tools:ignore="UnusedResources">Turn on notifications</string>
+    <!-- Text for the button dismiss the screen and move on with the flow -->
+    <string name="juno_onboarding_enable_notifications_negative_button" tools:ignore="UnusedResources">Not now</string>
+
     <!-- Search Widget -->
     <!-- Content description for searching with a widget. The first parameter is the name of the application.-->
     <string name="search_widget_content_description_2">Open a new %1$s tab</string>