Lumia 520 no service at 2g networks.

Adem Gdk

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Jan 2, 2018
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Hi.
I have Lumia 520 (RM-914). I'd insert Turkcell SIM Card. The Phone only connect 3g, but not connect 2g networks. The countryside, which i live, the 3G signal is weak, i need to 2g signal. Otherwise, people, who called me hearing this; the person you have called can not be reached at the moment.

İ have tried other Turkcell Line, the problem occured again. The sim cards regularly working differennt phones. After i have insert Avea(Turk Telekom) SİM card. Haven't occured a problem, the phone worked regularly.

In my opinion: The Trouble occured at Phone's 900 MHz transceiver circuit. So, Turkcell uses 900 MHz signals, but Avea uses 1800 MHz signals. The phone Finds and list 2G networks, and select network but not connect.

I Have Tried change 3G settings
 

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