i will try factory reste , i don't know witch model exactly i can chek tomorrow when i bac at shop , but as i knoz on other device when you plug it on pc and tell it's blank that's mean need solution by injection software not hard rest cos perform hard reste need working machine !! ( i know that from cellphone Sonuyericcon LG HTC samsung sagem ...)
any way i will try and tel you the result tomorrow thx for your help friend
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