Can you update a phones android system from 2.1 to 2.2?

Answer no

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Do android phones update themselves?

A type of phone with the Android operating system.

Can Android Phones Update an OS?

It's possible for your Android phone to update its OS after you've purchased it. Whether it can do so depends on your manufacturer's specifications about the model. Updates to the operating system ... Read More »

How to Force Your Android Phone to Check for a System Update?

Android phones usually check for software updates every few hours. If you would like to check for Android and application updates early, you can force an update check by entering a special code in ... Read More »

Are you going to lose your contacts if you system update your Android phone?