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Upgrade the AT&T HTC Vivid to Ice Cream Sandwich via leaked RUU

In the past few weeks we’ve seen a lot of Android 4.0 RUU (Rom Update Utility) leaks for various HTC devices. It seems that there is no telling when the RUU leaks will end, but it’s good to know that these leaks are great sources for HTC owners to get a shot at Ice Cream Sandwich without having to wait for the official ones to be released.

Owners who have an ATT HTC Vivid are in for a treat as the official Ice Cream Sandwich RUU ROM has been leaked and tested to work on the device. The RUU leak can be used to update your phone to the ICS firmware that will eventually be released by HTC in the coming months.  Don’t be surprised that there will be a huge wave of custom ROMs based on the leaked RUU ROM in the coming weeks.

Excited to get your hands on the ICS RUU ROM? Continue reading the rest of this guide to learn how you can update your ATT HTC Vivid to Android 4.0.3 Ice Cream Sandwich.


This guide is intended only for the ATT HTC Vivid and therefore it is not compatible with any other device or variants. You can check your phone’s version by heading to “Settings About”.


  • ATT HTC Vivid with locked bootloader and with no custom recovery (i.e., only stock recovery should be on the device).
  • Fully charged battery or at least 70% battery left.
  • Enable USB Debugging at Settings Applications USB Debugging.
  • Disable Fastboot at Settings Power Fastboot.
  • If you have any files on your phone’s external SD card, delete all of them.
  • Install the HTC USB device drivers on your PC. You can get it the installer from here (HTCDriver3.0.0.007.exe).
  • Backup your personal data and important files.


  1. Download the RUU for the HTC Vivid from here (htc_vivid_att_RUU_3.26.502.56_US.exe) and save it to your PC.
  2. [OPTIONAL, for rooted phones only] If your phone is rooted, download and install OTA Rootkeeper from the Google Play Store.  Use the app to create a backup of your root access. The application should be able to restore your backed up root access after you’ve updated your phone.
  3. Switch your phone off.
  4. Reboot your phone into bootloader mode. You can do this by pressing and holding down the “Volume Down” and “Power” button until you see the HBOOT screen.
  5. Connect your HTC Vivid to your PC via USB cable.
  6. On your PC, double-click on htc_vivid_att_RUU_3.26.502.56_US.exe to run the update utility.
  7. The update utility will provide onscreen instructions.  Follow them.
  8. Disconnect your phone from your PC.
  9. Boot your phone to normal mode and visit the Google Play Store.
  10. On your phone, download and install OTA Rootkeeper again.
  11. Launch the OTA Rootkeeper application and select the Restore Root option. This will restore your root access that you backed-up earlier.
  12. Download and install  Superuser from the Google Play Store.
  13. Launch Superuser, and go to the app’s preferences.  Update the su binary.

Congratulations! You have successfully updated your HTC Vivid to Ice Cream Sandwich via the leaked RUU for the HTC Vivid.

SOURCES XDA Developers Forum


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