Question about Nokia N79 Cellular Phone

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No signal gsm? i already tried to shut down the phone, change from dual signal to gsm, and also try to get manually my service but still does not work.

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  • Nokia Master
  • 4,737 Answers

Reset your phone to full factory and check whether it helps or not. If it doesn't, your first option is to update the firmware and next you need to check the hardware (network IC etc..) Good luck..

Posted on May 09, 2010

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Posted on Jan 02, 2017

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1 Answer

Huawei keeps turning off


Try taping your battery in place. Mine was doing the same thing. If I dropped it or set it down too hard, the battery would lose connection and shut off the phone. Good luck, hope it works for you. Bill

Aug 01, 2014 | Cell Phones

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Unlock lg verizon passcode that does not require a sim card


You can unlock your LG phone using an online unlocking services. But only if your Verizon LG is a dual GSM/CDMA phone it can be unlocked to work with GSM sim cards.Try this LG unlocking service, ask their support if they have the unlocking code for your phone and IMEI and then purchase it in order to unlock your phone.
Here you have some instructions for unlocking dual GSM/CDMA phones. I think it will help understand the process.

Apr 12, 2013 | Cell Phones

1 Answer

My N70 when im calling is always in 'network busy',while compere to other cellphone they can easily call.pls help me. thanks.


Try to check your network signal if it's stable or dropping,also try to transfer your simcard to other phone and see if the problem is still the same.try check the settings of your network if you are using 3g or dual mode or only gsm mode,sometimes dual mode signal is not consistent by going to settings > phone > network and set it to gsm mode.

another way is formatting or resetting your phone,back up all necessary data first before proceeding,on your home screen type *#7370#, a lock code will be ask.enter the desire code or 12345 as the default code,then it will reboot automatically.Now try the signal if its ok.

If the above method doesn't work,might be a hardware problem and let a mobile service technician fix this problem,so you can find out what particular problem takes place.


Thank you for visiting Fixya,

Jul 12, 2011 | Nokia N70 Cellular Phone

1 Answer

Nkia n73 no signal.


select dual mode after inserting sim if don't come then go network selection and select manual. then it searching and get network which sim u use. if still not come then its network ic or someone says pf has been damaged. then go to tecnician.

Jul 23, 2009 | Nokia N73 Cellular Phone

1 Answer

CDMA not detected


contact Reliance customer care service ..............

Jul 22, 2009 | Cell Phones

1 Answer

I already change my sim card its!!ok for 1 minute after that come back again in limited service


hmmm... there really must be a problem in the phone, or you are staying at a place where mobile signal is least present. have you tried to get it a look at a local cellphone repair store??

Jun 20, 2009 | Samsung E590 Unlocked GSM Phone

1 Answer

No network


Hey. I think this is a general problem with the K770i. I have one also and it will turn itself off and then back on everytime there is a bad signal when the phone is in 3G/GSM mode. Sadly The phone has a really bad antenna located in the bottom of the phone. You can try holding the phone upside down, (seriously it helps) or turn of 3G when you're in an area with poor signal.

I've solved this issue by going into the settings and switching the phone to ONLY GSM mode.
Goto "Settings"
"Connectivity"
"Mobile Networks"
"GSM/3G networks"
and then change it to GSM only.

And like magic your phone will stop turning itself off all the freaking time when there's a bad signal. :)

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3 Answers

Cdma sim not working in A918 chinese phone


Hi, In GSM & CDMA seeting option you have to do the right selection. For e.g. In Slot 2, you have to select CDMA. & in Slot 1 GSM. Then it will work. Hariom

Apr 21, 2009 | Cell Phones

1 Answer

My N95 Nokia keeps telling me No services.


Try your sim with another fone that is on the same network, if same prob. with other fone then contact your network provider.
If prob not on other fone try "changing network mode" from "Dual Mode" to "GSM" also try manual network selection.
Menu>Tools>Settings>Phone>Network.
If still not working take back to place of purchase.

Jan 31, 2009 | Nokia N95 Cellular Phone

3 Answers

N70 No signal (Glode subsriber)


try to put your phone Network Mode in GSM, not in Dual Mode.
or try this'
press menu>select setting>Network>on network setting select Operator selection'
select manual.
after the phone search and say No Operator found.
your phone prob. is in the hardware...

Jan 12, 2008 | Nokia N70 Cellular Phone

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