Question about Samsung SGH-a437 Cellular Phone
PUK means "personal unlocking key" .
The PUK code is asked if you enter a wrong pin 3 times.
You need to call the phone company that released the SIM card, they can retrieve the puk code from a database for free.
In your case you need to contact your SIM card provider technical support to unlock the SIM.
The PIN and PUK are related to the SIM card, not to the phone.
If you replace the SIM card with a different one, then the phone will not ask for the PUK anymore.
Posted on Jul 14, 2009
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Posted on Jan 02, 2017
puk code has to be given by sevice provider , you have to call to your service provider ( sim company ) and tell them the sim number then they will give you PUK code
Posted on Oct 24, 2009
It's not the problem with your phone, contact the customer care of your service provider (network operator), and tell them your problem, they will give you the number instantly. If you enter wrong/random numbers several times, your sim card will be unusable. Good luck
Posted on May 24, 2010
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