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Onnce you have exceeded the maximum number of passcode attempts, the SIM will become locked and won't allow further attempts.
When that happens you must obtain a PUK code (Personal Unblocking Key). This can only be supplied by the network providerto either the registered subscriber.
If the SIM is a prepay credit SIM which has never been registered with the network provider, then the PUK code cannot be provided and the SIM card is useless. All data on it such as the phone number, pre-paid credit and any contacts stored on it will be lost.
The phone itself may also have a block on it, even if the PUK code is available as many phones enable the owner to set a handset specific security code (can be a passcode or can be a pattern drawn on the screen).
does it say sim block? or is it just asking for the PUK?
if the sim card is blocked, you will need to replace your sim card
if the phone is just asking for the PUK, contact your service provider for the PUK
*2767*3855# = Full Reset (Caution every stored data will be deleted.) *2767*2878# = Custom Reset *2767*927# = Wap Reset
PUK codes can only be acquired from your mobile service provider. If you are using a pre-paid sim card.. try to check the manuals and leaflets found with the pre-paid kit. You should be able to see the PUK code in there. If you are using a post paid subscription, you can easily get your PUK from the carrier by just calling them up and verify the ownership for the post paid line. I hope this helps.
if you see PUK blocked it only means that you unsuccessfully entered the wrong pass code many times it permanently locked your sim. you can still check it with your Service Provider but i think you need to have a new sim card.
PUK code is generally given by the service provider and is phone independent. Most of the times the pack in which your sim card came has your puk code if u have it check it out.. otherwise you need to call up the customer care people and ask for assistance, they will provide you with you puk code if, i have not tried it more than 3 times which blocks the sim itself Most of the networks take a nominal processing fee and unblock your sim in such a case
Every PUK code is unique so nobody can tell you your PUK number, but i will tell you what you can do! 1)
If you still have your packet that your Sim Card came in, you should
find your PUK number in there, if you don't have the packet, please
2) You must get a phone that is on the same network
as your phone and call the networks Customer Care and ask them for your
PUK number, they will ask you for your phone number, then they will
tell you your PUK number. Once you have done this, you will be able to
reset your Pin number so you will be able to go into your phone again.
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