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my iPhone 4 has started acting up recently. it is not jailbroken, the iOS is 4.1 and i keep my wifi switched on 24x7. i can make calls thru viber / skype, browse the internet, download emails, play games etc. however, at random, i have noticed that when i make a call thru the gsm network, the phone just shows endless calling, the minute counter does not start up at all and there is dead silence on both handset / speaker. the call does not go thru. same is with sms. if i send an sms, the phone just shows endless sending and later on, in messages, it shows sending failed. gsm connection shows the signal but no functionality can be used till i switch the phone off and restart it back up. i have used the phone since august 2010 but nothing like this upto now. this has happened twice in the past ten days.
any advice would be greatly appreciated.
Basic troubleshooting is reset, restart, restore. Has any of this been tried?
What about Settings > General > Reset > Reset Network Connections?
Has the carrier been contacted to rule out network/account issues?
thanx for your reply... i tried reset network connections the first time this happened but it did not help as the problem came up a second time after 2-3 days. i was sure that the carrier is not related as my wife has iPhone 3GS and she has not had any problem during this time but to eliminate any possibility , i called the carrier and they said there are no network problems. the last time i restarted my iPhone was 2 days back and so far the problem has not come up.
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