minh co con n91 GSM mua duoc 2 thang,bay gio no do chung chep data vo duoc nhung 1 luc lai ko mo len duoc,vao hard drive van con,roi may cung bao hard drive corruped.fortmat lai duoc nhung cung nhu vay.minh lo bung may ra ve sinh gio ko bao hanh duoc,cac ban co cach gi chua benh cho no giup minh voi.
