i have sgh e-210, it get hangs while talking, it switched off automatially & get more time to start again. when i try to check balance it neve works, if i swtiched off and again try then it works, same happen with coupan recharge. I have contacted to service centre. They told me, it happend cause of baord problem, is it correct?Please tell me what is the use of mobile board, it's cost, its functions, its life, is this permanent solution to change mobile board?Please anser me.Thanks
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