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StewartFloyd
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SIM shown as NOT VALID

Hi ,  My 92 year old Aunt has received a SIM card for her Pay as you go mobile and on insertion the message displays  SIM NOT VALID 

Do you know why this would be and how I fix it please ?

Many thanks

David

 

 

 

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enlli
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Re: SIM shown as NOT VALID

Sounds like one of the myriad old phones that are network locked and won't work with the new cards without unlocking.

Check the letter and the red plastic card for something they call an unblocking code.

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StewartFloyd
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Re: SIM shown as NOT VALID

Many thanks for your prompt response

Yes the phone she is using ought to be in the Nokia museum !

I'll check the letter again and look for the unblock code as you suggest

Cheers

 

David

 

 

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Martin_N
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Re: SIM shown as NOT VALID

Hi StewartFloyd,

 

Thank you for your post and welcome to the community. 

 

Were you able to locate the unlock code and get this sorted?

 

^Martin

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Messybeast
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Re: SIM shown as NOT VALID

If you look at some of the other topics, the new SIMs are not compatible with the older handsets, which causes pain to PAYG customers who use simple phones for texting, calls and nothing else. If her phone is a museum piece you'll probably be told to get a more up to date handset for her, or you might be lucky enough to cancel the SIM migration and hope that their 2G service continues for a while longer.

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