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My Galaxy S3 (i747) has just informed me that there is an OTA update available from AT&T. I have stock Android 4.1.1 on there right now, but I have the device rooted with Clockwork 5.x.

When I attempted to apply the OTA update, the phone (at first) looked like it was going to apply it, but then Clockwork opened with the error: Failed to verify whole-file signature (along with some other messages) and when I rebooted, Android said something like "The update was interrupted."

So, here's my question, I guess: Is there something I can do with Clockwork 5.x where it can apply the OTA update for me -or- do I need to:

  1. Flash stock AT&T recovery (Will this remove root? Does that even matter?)
  2. Apply the update in the "official" way
  3. Re-download and re-apply Clockwork to re-root the device

If I follow either of these steps, all of my data will be preserved during the upgrade, correct?

  • I'm fairly certain you'll lose root (and need to re-root) with this update no matter what. And I believe you'd need to flash the stock recovery in order to run the OTA update. But you'll be able to flash CWM back on and re-root afterward. – dotVezz Oct 24 '13 at 15:56
  • Any idea where I can find a copy of stock recovery, and/or instructions on how to do that? Would I just use ODIN to apply that? It's been awhile since I've messed around with flashing anything on my phone. – qJake Oct 24 '13 at 16:03
  • Actually, looking at galaxys3root.com/galaxy-s3-unroot/… makes me think you might not be able to just get the bootloader. But I'm possibly wrong about this! – dotVezz Oct 24 '13 at 16:05

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