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.
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. Sometimes, this entails providing your date of birth and address.
The PUK code is printed on the SIM packaging.
So, use the search box in the Settings app to search for SIM lock and enable it. 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 entered 3 incorrect PIN codes and your phone displays “SIM card blocked” or “Enter PUK code”, your SIM card has been blocked to ensure your security. To unblock your SIM card, you must enter a PUK (PIN Unlock Key) code.
Inputting your PUK code
1. Before attempting to input your PUK code, ensure that you have the correct code provided by your Network provider. 2 . After ten unsuccessful attempts to input your PUK code, the SIM card will be permanently disabled.
If you enter your PIN (Personal Identification Number) code incorrectly several times, the SIM card is locked. You then need the PUK (Personal Unblocking Key) code to unlock the device. The PIN and PUK codes are used to protect your subscription and device against unauthorised use.
Find and tap Settings → Security → (More security settings) → SIM card lock. Tap Change SIM PIN.
Absolutely yes. You can remove a SIM lock on your Android device in simple ways. You can look for your carrier's contact and ask them to give you an unlock code to bypass a SIM lock.
The PUK (Personal Unblocking Key) code is a code consisting of 8 digits. It is used to unblock your SIM card when you entered 3 times a wrong PIN code. A card blocked by the PUK code cannot be unblocked; it cannot be used any further and you have to replace it.
On your SIM packaging
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.
Your SIM PIN is different to your PUK and your phone passcode. 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.
Sign in on your mobile carrier's website to get the PUK code. Most mobile carriers offer online accounts to their customers. If that is the case for you, go to your mobile carrier's official website and sign in with your credentials. The PUK code should be listed under your profile.
PUK stands for personal unlocking key. It is sometimes also called a PUC - personal unblocking code. If you insert the wrong PIN code three times on your Android smartphone, either when starting the device or when trying to change or remove the SIM PIN, your SIM card becomes PUK-locked.
A PUK, which is sometimes known as a network unlocking code (NUC) or personal unlocking code (PUC), is a unique sequence of eight digits that your network must supply, as long as you fulfil certain criteria. A PUK is required when you want to unlock a phone.
If your carrier doesn't offer up the default PIN, most often it's either 0000 or 1111. But remember, you get three attempts. If the three attempts fail, you must enter the PUK. Without that PUK, your device will not be able to access the SIM card.
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.
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.
Insert your locked SIM card into the old phone and then switch it on. It is advised to wait for about 3 minutes, then switch off the phone. After this, remove and insert the SIM again.
Once the sim is deactivated, the same number is recycled and becomes available in the market for a new user. In case you forgot about your secondary sim, and it has been 90 days of non-usage, do not worry! You still get a grace period of 15 days (about 2 weeks) to reactivate your sim.
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).
'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. Be careful! If you incorrectly enter your PUK code 10 times, your SIM will need to be replaced.
When the PUK is entered incorrectly 10 times, the SIM assumes that someone who shouldn't be holding it is holding it. It disables itself completely. It can never be used to connect to the cellular network again. So, all you need to do is contact your phone company, tell them what happened, and get a new SIM.