PUK Code of The SIM Card
PUK (personal unlocking key) is a security feature of all mobile phones, which protects your SIM card data from being stolen. To know about this in detail, you must first know about mobile sim card lock.
What is mobile sim card lock?
This feature is an important security feature related to SIM card data in all smartphones. Just as you lock it with a PIN, pattern, face unlock, or fingerprint to secure its data on your smartphone, in order to secure the SIM card’s data, lock the mobile SIM card in your smartphone Feature is. If your smartphone is lost, because of different types of lock in your smartphone, another person can not see your smartphone’s data. If you have locked your SIM card then the other person can not use that SIM card by putting it in another phone.
Whenever the second person sets that SIM in another phone, a password will be asked for unlocking SIM, and this will be the same password that you have installed in your SIM while locking the SIM card and if the person has more than 10 wrong password Then the SIM will have a puk lock and it will be asked about the puk code.
If you accidentally get a puk lock in the SIM card, then you can call your customer care and verify your details and unlock the SIM.