Question about Apple iPhone4 4G iPhone 4
HiIf there is no error in network / operator you need to check phone memory.The phone memory might full or infected by virus.Sometimes, this problem cause due to overflow of contacts or call history.So, if possible try to refresh your phone by selecting Restore Factory setting.Thanks for visiting fixya.Good luck
Posted on Feb 10, 2012
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Posted on Jan 02, 2017
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