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Problem With ICS OTA? Factory Reset
After accepting an OTA, doing a factory reset is always a good idea. You want to start with a clean slate with the new O.S., which is what ICS is. For those of you that are rooted, you know to do this every time you flash a new ROM, but for those who aren't rooted, this is a new, slightly annoying process. However, "Dirty Flashing" (not doing a complete wipe) almost always leads to problems, so it stands to reason that flashing/accepting the OTA without doing a factory reset/wipe will lead to problems. This will not fix every problem that everyone is experiencing, but I believe it will fix 90% of the problems people are having. I would never claim 100%, because as we all know, the Bolt is very temperamental!
To perform a factory reset, go to Settings, then Storage, then scroll down to the Factory Reset option. This will wipe your phone, but WON'T WIPE YOUR SD CARD or your pictures because they are saved directly to your sd card.
I will quote Unobtanium, who did a good job of explaining in another thread:
So, if you want to save your text messages, grab MyBackup Pro from the Market and use it to save them. Choose Backup, then Data, then Local (so it will save to your sd card), and then choose SMS, MMS, and whatever else you see on the menu that you want to save. After the factory reset, just follow the prompts in the app to restore what you have saved. The free version might do all of this as well, but I haven't used it in so long, I'm not sure. Once you have your sd card backed up on your pc, and your texts backed up by MyBackup, you can perform the factory reset without worrying about losing everything. You will still have to set up your phone again, but you won't have lost everything.
I haven't done a factory reset since shortly after getting the phone, but it won't (or is not supposed to) erase any SD card data. That's a straightforward back-up, just in case: Plug the phone into a computer, mount as a drive, and copy everything that is on your SD card onto your computer hard drive. Take screenshots or photos of your home screen layout. Uninstall / disable security software, especially avast! (if you use it). Disable Google two-factor authentication (if you use it) before you start. From what I understand, tweaks and settings on a non-rooted phone are harder to back-up. I'm using MyBackup Pro (non-rooted) and I think there is some stuff that it can't save without root access.
Hopefully this helps anyone having problems and anyone hesitant about wiping their Bolt. Let me know if you have any questions, and I'll be happy to try and help.