diff --git a/Signal/Images.xcassets/phone-warning.imageset/Contents.json b/Signal/Images.xcassets/phone-warning.imageset/Contents.json
new file mode 100644
index 0000000000..3ed3a5defc
--- /dev/null
+++ b/Signal/Images.xcassets/phone-warning.imageset/Contents.json
@@ -0,0 +1,15 @@
+{
+  "images" : [
+    {
+      "filename" : "phone-warning.pdf",
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  },
+  "properties" : {
+    "preserves-vector-representation" : true
+  }
+}
diff --git a/Signal/Images.xcassets/phone-warning.imageset/phone-warning.pdf b/Signal/Images.xcassets/phone-warning.imageset/phone-warning.pdf
new file mode 100644
index 0000000000..43b31d6114
Binary files /dev/null and b/Signal/Images.xcassets/phone-warning.imageset/phone-warning.pdf differ
diff --git a/Signal/Megaphones/UserInterface/InactivePrimaryDeviceReminderMegaphone.swift b/Signal/Megaphones/UserInterface/InactivePrimaryDeviceReminderMegaphone.swift
index 48e6e179cb..3816f2dd17 100644
--- a/Signal/Megaphones/UserInterface/InactivePrimaryDeviceReminderMegaphone.swift
+++ b/Signal/Megaphones/UserInterface/InactivePrimaryDeviceReminderMegaphone.swift
@@ -25,7 +25,7 @@ final class InactivePrimaryDeviceReminderMegaphone: MegaphoneView {
             comment: "Body for an in-app megaphone about a user's inactive primary device."
         )
 
-        imageName = "inactive-linked-device-reminder-megaphone"
+        imageName = "phone-warning"
         imageContentMode = .center
 
         let viewControllerRef = fromViewController
diff --git a/Signal/translations/en.lproj/Localizable.strings b/Signal/translations/en.lproj/Localizable.strings
index ad1924f73c..b27f4254b3 100644
--- a/Signal/translations/en.lproj/Localizable.strings
+++ b/Signal/translations/en.lproj/Localizable.strings
@@ -4238,7 +4238,7 @@
 "INACTIVE_LINKED_DEVICE_REMINDER_MEGAPHONE_TITLE" = "Inactive Linked Device";
 
 /* Body for an in-app megaphone about a user's inactive primary device. */
-"INACTIVE_PRIMARY_DEVICE_REMINDER_MEGAPHONE_BODY" = "Open Signal on your phone to keep your account active";
+"INACTIVE_PRIMARY_DEVICE_REMINDER_MEGAPHONE_BODY" = "To keep your account active, open Signal on your primary device.";
 
 /* Title for a button in an in-app megaphone about a user's inactive primary device, temporarily dismissing the megaphone. */
 "INACTIVE_PRIMARY_DEVICE_REMINDER_MEGAPHONE_GOT_IT_BUTTON" = "Got It";
@@ -4247,7 +4247,7 @@
 "INACTIVE_PRIMARY_DEVICE_REMINDER_MEGAPHONE_LEARN_MORE_BUTTON" = "Learn more";
 
 /* Title for an in-app megaphone about a user's inactive primary device. */
-"INACTIVE_PRIMARY_DEVICE_REMINDER_MEGAPHONE_TITLE" = "Inactive Primary Device";
+"INACTIVE_PRIMARY_DEVICE_REMINDER_MEGAPHONE_TITLE" = "Open Signal on your phone";
 
 /* Label reminding the user that they are in archive mode, and that muted chats remain archived when they receive a new message. */
 "INBOX_VIEW_ARCHIVE_MODE_MUTED_CHATS_REMINDER" = "Muted chats that are archived will remain archived when a new message arrives.";
diff --git a/SignalServiceKit/Megaphones/ExperienceUpgradeManifest.swift b/SignalServiceKit/Megaphones/ExperienceUpgradeManifest.swift
index 2753c60d55..e0b5acf18f 100644
--- a/SignalServiceKit/Megaphones/ExperienceUpgradeManifest.swift
+++ b/SignalServiceKit/Megaphones/ExperienceUpgradeManifest.swift
@@ -649,11 +649,7 @@ extension ExperienceUpgradeManifest {
     }
 
     public static func checkPreconditionsForInactivePrimaryDeviceReminder(tx: DBReadTransaction) -> Bool {
-        if FeatureFlags.inactivePrimaryDeviceMegaphone {
-            return DependenciesBridge.shared.inactivePrimaryDeviceStore.valueForInactivePrimaryDeviceAlert(transaction: tx)
-        }
-
-        return false
+        return DependenciesBridge.shared.inactivePrimaryDeviceStore.valueForInactivePrimaryDeviceAlert(transaction: tx)
     }
 
     public static func checkPreconditionsForPinReminder(transaction: DBReadTransaction) -> Bool {
diff --git a/SignalServiceKit/Util/FeatureFlags.swift b/SignalServiceKit/Util/FeatureFlags.swift
index 36e4d7e429..46e48daf6d 100644
--- a/SignalServiceKit/Util/FeatureFlags.swift
+++ b/SignalServiceKit/Util/FeatureFlags.swift
@@ -61,8 +61,6 @@ public enum FeatureFlags {
     public static let libsignalEnforceMinTlsVersion = false
 
     public static let moveDraftsUpChatList = build.includes(.internal)
-
-    public static let inactivePrimaryDeviceMegaphone = build.includes(.dev)
 }
 
 // MARK: -