20 Most Recent Nokia Lumia 635 Windows Blue Boost Mobile Questions & Answers

Try and repalce the battery with a new one

the sim card is still tied to the previous service provider get a new sim card from your new service provider keep the plastic card that the sim card is attached to as there is the PUK code that you will need to open the phone stamped on that plastic card

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Cellphone?? If so there is a IMEI number its registered to which ever company it was originally under. The only possible way would be to unlock cellphone, if possible aka Jailbreak, and register under a different cellphone company. That "Serial IMEI" is no longer valid under the cellphone company which your friend had "aquired" the cellphone from originally.

nokia 100 sim not valid slution

First you need to copy all data from the phone and memory card in your computer then you will need to do a factory reset of the phone.

just take your phone off of the plan, get a new one, and then put it on the plan. if someone stole it, then you're probably not going to get it back. good luck

In my Nokia 112 ringers are not working please give me any solution for it

my phone x263 , stop again and again

call nokia,we dont unlock anythiing