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.
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.
A card blocked by the PUK code cannot be unblocked; it cannot be used any further and you have to replace it.
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.
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.
How many times can you enter wrong PIN on Android? You have 10 tries to enter your password/PIN/pattern correctly or the data will be deleted and the phone will be reset.
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.
If you incorrectly enter your PUK code 10 times, your SIM will need to be replaced.
A PUK is required when you want to unlock a phone. You'll need one in the event that your handset is locked by your current network and you want to use a SIM card from another network. You'll also need to get a PUK code in the event that you mistakenly enter the wrong PIN code and you are automatically locked out.
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.
If you enter the PUK code wrong too many times, the PUK will lock permanently and you will need to buy a new SIM card.
Your PUK (Personal Unlocking Key) is an 8-digit code unique to your SIM card.
Calling customer care is a simple solution if you've lost your PUK code. To know how to unblock blocked SIM cards, you will need your PUK code to unlock your SIM card after the unblocking. To do this, you will need to follow these simple steps for a personal unlock of your SIM card.
The PUK (Personal Unblocking Key) code is usually an eight-digit unique number assigned to a SIM card and is available as a security feature for all SIM cards. Most mobile phones have a PIN (personal identification number) designed to prevent unauthorized usage of your phone and keep SIM details safe.
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.
Contact the carrier that gave you the SIM card. If you aren't sure which carrier to call, remove your iPhone SIM card or iPad SIM card and check the card for the carrier's name or logo. Ask your carrier to help you unlock your SIM card using the default SIM PIN or PUK code.
You can unlock your Android phone even if you've forgotten the passcode, but you'll usually need to factory reset the phone. You can unlock most Android phones by performing a factory recovery or using the Find My Device website.
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.
First, your real SIM card will get deactivated and stop working. And secondly, the hacker now has control over phone calls, messages, and two-factor authentication requests sent to your phone number. This means they could have enough information to access your accounts, and could lock you out of those too.
Finally, SIM jacking, also known as SIM swapping or SIM hijacking, is a form of attack that involves the hacker accessing the victim's mobile device in order to take control of their SIM card. This is done by sending spyware code to the phone to break into the device.
What is a PUK code? A PUK, or personal unblocking keys code, is a unique sequence of eight digits that you might be asked for when: You want to use another SIM card in your phone, or.
SIM Network Unlock Pin (NUP) is a code used to unlock an Android phone or iPhone from its original carrier so that it may be used on other carriers. This code is typically 8 or 16 digits long and is used to unlock a smartphone.