If you have forgotten or don't know what your SIM PIN is The wrong guess can permanently lock your SIM card, and then you would need a new SIM card. If your device asks for a PIN or code that you don't know, here's what to do: Contact the carrier that gave you the SIM card.
If you accidentally locked your SIM card due to three failed attempts, your phone asks you to enter a Personal Unlock Key (PUK), an eight-digit number. This number is located on the packaging your SIM card came in. If you don't have the box, contact your operator and verify yourself to get the PUK.
The answer is Yes, you can easily remove SIM lock on Android phone by using some of the possible ways. Though you can bypass network locked SIM card with the help of third-party apps such as Galaxsim Unlock, Galaxy S Unlock, and Android SIM Unlock.
The PIN is an acronym for Personal Identification Number and represents an access code made of four digits. When you buy a SIM card, you also receive a PIN for it. You need this four-digit code to enable the SIM card once you have inserted it into your phone, to be able to access your operator's mobile network.
The SIM card on your mobile phone will become locked if you enter an incorrect personal identification number (PIN) three times. You won't be able to use your phone, except for emergency calls. To unlock it you must reset your PIN by entering your SIM card's unique unlock key (also called a PIN unblocking key or PUK).
When you purchase a SIM card, it comes in a little package, and the PUK code should also be included in it. If you still have the package, look for the plastic card that the SIM was snapped out of. The 8 digit PUK code should be printed on the back, together with the SIM PIN code.
Can I Unlock My SIM Card Myself? Yes, you can unlock a SIM card yourself. You can simply contact your SIM card provider company or use any third-party app for the same. While contacting your network provider is a time-taking process, turning to the SIM carrier may avoid jailbreaking your iPhone.
Unlock The Phone On Your Own
First of all, you have to turn off your mobile phone and take out the SIM card. Then turn on the device without the SIM card and wait for it to show a message with the instruction to insert the SIM card. From that moment you will need to write the IMEI code to unlock the phone.
The process can take up to two business days, but once it's done, you're free to take the phone to another wireless carrier.
(upper-right). The default SIM PIN is 1111.
The reason many network providers SIM lock their phones is that they offer phones at a discount to customers in exchange for a contract to pay for the use of the network for a specified time period, usually between one and three years.
Unfortunately, there is no option for you to manually unlock your phone if forgot your PUK Code. The only option left is to call the customer support of your internet service provider to request unlocking your SIM Card.
Only your carrier can unlock your iPhone. Contact them and request an unlock. After you submit the request, it might take a few days to complete. Contact your carrier to check the status of your request.
What is a PUK code? A PUK code is a 'Personal Unlocking Key' (it is also sometimes referred to as a PUC code: 'Personal Unlocking Code'). It is used to reset the PIN number on a phone if the protective software was triggered to lock the SIM card or handset.
It's a 4-digit number that lets you lock your SIM card to one device. By default, your SIM PIN is the last four digits of your PUK. You can change your SIM PIN through your device settings. So, if you've forgotten your SIM PIN, enter a random 4-digit number, like 0000, until you're asked for your PUK code.
If the cell phone is locked, it means that it will only work on one specific network. Consequently, if you insert a SIM card that is from a different carrier, it will simply not work. Some companies tie the subscriber ID number in the SIM card to the serial number of a cell phone.
If you cannot find it, give your mobile network a call, and customer support will be able to give you the PUK code or generate a new one after you have answered some security questions. The network provider is going to ask you to prove your identity.
'PUK Lock' or 'SIM Lock' errors
If a SIM PIN security code has been entered incorrectly multiple times, the SIM will lock and require you to enter a PUK code to use your device again.
The only way to unlock a password-protected SIM is to get a special code called a PUK (PIN unlock key) from your mobile provider. The provider may need you to prove your identity to give you this code. This wikiHow teaches you how to use a PUK to unlock your SIM card.
When you buy your SIM card, it's attached to a larger piece of plastic that you pop it out of. Your actual SIM also has a series of numbers printed on it. Your PUK code is the 8 digit number found on either the SIM or the additional SIM packaging.