BSNL Sim Pin – What is the Default Pin Number of BSNL Sim : Every mobile user wants to lock his SIM card so that no one can misuse his SIM card, but due to not knowing the SIM PIN, he cannot lock his SIM card. Even the lock on the seam is not able to be applied and their SIM card gets blocked, after that it starts asking for Puk Code.
In this post, we are telling you BSNL Sim Default Pin Number, before that we know what is Sim Pin, how Sim Pin works, so that you can know about the use of Sim Pin very well and anytime in future your Sim Card should not be blocked.
What is Sim Pin?

Sim Pin is a very important Security Feature, the option of Sim Pin is given in the security option inside all mobile phones, with the help of this option, you can make your SIM card Password Protected.
Sim Pin is of four digits , you can also change it, Sim Pin of all mobile network company is different.
After enabling Sim Pin, if your mobile is stolen and he wants to remove that seam and use it in another mobile, then Sim Pin will be asked from him as soon as he turns on the mobile, without Sim Pin, do not use Sim Card . Will get
After entering the wrong Sim Pin 3 times, the SIM CARD gets BLOCK and asks for PUK Code, in this way no one will be able to misuse your SIM card, but sometimes while enabling the Sim Pin, the mobile user himself blocks his Sim Card . Blocks the SIM because it does not know the correct SIM PIN and after entering the wrong PIN 3 times, the SIM starts asking for PUK.
BSNL Sim Pin – What is the Default Pin Number of BSNL Sim?
Default Pin Number of BSNL Sim is 0000, you can change it according to your own, Sim Pin option is available in security option in all mobiles. Will not be able to unlock, and after entering wrong sim pin 3 times you will be asked for puk code.
If you want to disable Sim Card Lock, then read this post : How to Disable Sim Card Lock, Keypad, Android, IPhone
So now you must have come to know BSNL Sim Pin – What is the Default Pin Number of BSNL Sim and what is its use, if you liked the post then share it with your friends.