After you root your G2 phone and installed the very easy-to-use Clockwork Recovery ROM Manager, before you start installing new ROMs and whatnot, you might want to backup your current ROM, apps, contacts, and everything beforehand so you can always go back to it.
This is very easy to do using the Clockwork Recovery, simply back it up. If something goes wrong, you can always come back to your backup within minutes.
I made a short video tutorial on how to do this, watch the video below as I backup my current stock Android 2.2 ROM before installing Gingerbread:
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i cant install a rom on my phone
When I try to overclock my g2 and restore and back up data I turn off my phone and press the power button with the volumen at the same time but it bring me a diferent screen that urs mine is white with a few of the android logo in the botton of the page it give me some option like restore,factore restar, and some other one but when I restore it turn on and in my screen appears and icon of the phone with a re tringle and a exclamation sing on it kind off like the one icon on m rom manager under the reboot and recovery what cam I do
Hello G2 Hacks I have had a few questions and for some reason I could not get my G2 to backup my previous information. Is there a stock rom available anywhere on the internet that I could use to get back to froyo unfortunately I’m stuck on gingerbread. Sorry if I put this question in an incorrect area.
Thank you,
Daniel
You could try this, which gets you back to Froyo:
http://g2hacks.com/g2-hacks/how-to-unroot-your-g2-phone/