asslam o alikum main ap ko expired data apps and theem ke softwere ke bare main btata hon ke un ko kese instal kia jai sub se phle ap ne ap ne mobile ki date ko tabdeel kr ni hai yani ke agr 2011 ho to 2010 kr din agr phir bhi na instal ho to ik sun or peche kr din instal ho jai ga
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