samsung galaxy s2 i9100..
bat yeh he k mene apne cell ko update kya..
update download hone ke baad woh reboot hua pher on hi nahi hua..
ab on hota he to sirf model num likha ata he or is kay neeche yellow notification mark ata he jo asusual hota he.. bus yahan tak on hota he aage nhi barh raha..
plz experts give me a solution..
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