please i have a nec docomo N-06D. I tried upgrading for andriod os 2.3.6 to 4.2.2 but it didnt work... now my google play store cant download or update application.. seems it tampered with my system file.. i have formatted the tab so many times.. and if the battery runs out and the tab goes off and comes on it crashes "home, gallery,and all startup com files... please help me. thanks in Adv
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