HTC Vivid™ (AT&T) Application Security Update

***Important: This security update requires your device to be on Android 4.0.3 (Ice Cream Sandwich). This security update will not work on previous versions of Android and can render your device inoperable if applied to the wrong software version.***

  • To verify that your device is on the current software, please navigate to Settings > About phone > Software information. Verify that your Software number is 3.26.502.56 710RD.
  • To update your device please navigate to Settings > AT&T software update > Check for updates

A security update is available to your device via application download. This will not remove any personal data from your device. Please follow the instructions to install this security update.


1. Tap HomePersonalize You will see "Starting download" notification and a download icon in your Notifications bar at top of screen.
2. Press Home key to return to Home screen.
3. Press Menu > Tap Settings > Tap Security.
4. Tap Unknown sources to enable Unknown sources to install update (verify checkmark is present).
5. Press Home key to return to Home screen.
6. Tap All apps > Tap Downloads.
7. Tap Vivid_HomePersonalize.apk and follow installation instructions.

Note: HTC STRONGLY recommends navigating back to Menu > Settings > Security and removing the checkmark from "Unknown sources" after security update installation is complete. Failure to follow this step will leave your device vulnerable to potential malicious activities.

8. Press and hold power key and then Tap Restart.

Note: The updated HomePersonalize application will have the version number 3.5.2219342158.452873