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I unlock my nexus one, and compile and install the ginger bread build load to the phone. But now, I realize that it does not have all the google software e.g. gmail, map, market, etc.

How can I reset my nexus one back to the original froyo with all the google software?

I have tried 'factory reset' but it does not revert back to android 2.2. Thank you for any idea.

Thank you.

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Possible duplicate?… That question has no accepted answer, but it was migrated here so the asker doesn't have an account. – eldarerathis Jan 17 '11 at 23:24
up vote 1 down vote accepted

Check out this thread, Original ROM, which is about returning a Nexus One to an unmodded ROM.

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Is your phone also rooted? You could install ROM Manager, and then Clockwork Recovery. ROM Manager has an option to flash a stock ROM back onto a phone (with or without root status).

Or you could try out CyanogenMod. CM7 nightlies just started, so we should see a stable version soon. (CM7 has Gingerbread with optional Google Apps. CM6 is Froyo.)

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