I accept gone by to your trouble and I accept searched on it. I accept1 result for you can assure on the android website, since this faultis not with phone, this is the fault with operating system of thecell phone. You require to check about the titanium backup of thephone which is useable on official website of the android. Titaniumbackup also control the root which accept backup for android 1.5 to2.3. So all the most beneficial and beware utilizing this tool, ifyou are not capable to understand then you should accept the help ofinternet and approximately of the professional people. All the Best!