Question about Nokia 5230 Cell Phone
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Posted on Jan 02, 2017
SOURCE: sim not valid
Its a service provider locked phone
try to unlock it with unlocking device (UFS-3 or JAF)
or if u know the operator code u can send me with ur phone IMEI
i'll fix it
Posted on Mar 16, 2009
SOURCE: SIM card not valid
Hi thee, I list here the possible reasons for "Sim card not valid"
1 - The phone is locked to a different network. In this case the phone usually accept the sim card the same , and has no network, but sometimes it may return the error message. Unlock the phone at a local shop.
2 - the SIM card is faulty. Test the card on a different phone to find out.
3 - The phone is faulty. Test the phone with different Sim cards, if the Phone returns same error on all cards, then the phone is faulty.
Posted on Mar 28, 2009
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