The process of returning to a previous version of installed software -- e.g. from a custom ROM to the original stock ROM for warranty issues, or from a newer Android version to an older one.

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Downgrade to official LG GT540 2.1updated

I've installed Android 2.3 (Cyanogen Mod) to my LG GT540 phone, but it's too unstable. I would like to downgrade back to 2.1update (it's the OS I have when I buy the phone), or any official newer ...
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1answer
539 views

Can I get back to root-able HBoot version by doing a factory reset

I have a HTC Wildfire (Buzz) that originally came with Eclair. I now have Froyo on it and the Unrevoked tool doesn't work as the HBoot version is not supported (too new for Unrevoked). At this point, ...
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1answer
1k views

Is there a way to “downgrade” (revert) an HTC Desire HD to stock Froyo from Gingerbread?

I don't have any backups or whatever. My phone isn't rooted. It updated to Gingerbread 2.3.3 OTA a couple of days ago, and I hate almost every change that it introduced. Thanks.