How to Protect Your SIM card with SIM PIN lock from unauthorized access

Activate the BSNL SIM PIN lock to protect the SIM card from unauthorized use; How to get the PUK code to unlock the SIM card?

Most mobile phone users may have encountered the SIM card lock / SIM card rejection issue due to wrong PIN or wrong PUK code while changing their mobile phone security settings.

How to Protect Your SIM card with SIM PIN lock from unauthorized access

Smartphone users normally protect personal data stored on their smartphones / tablets by setting fingerprint lock / face lock / password lock / pattern lock etc. But how can we protect the data on our mobile SIM card? Our SIM card details are more confidential as our mobile numbers are already linked to bank accounts, Aadhar number and also include billing information and OTP transactions.

More security with the SIM PIN code lock function

The only way to protect the data stored on the SIM card is to enable the SIM lock feature on the phone. The PIN code (personal identification number) is intended to protect the SIM card from unauthorized use. 

Once the SIM lock function is enabled, every time you restart your smartphone or change the SIM card with another smartphone, it will ask you to enter the SIM PIN and without verification of the PIN access for the SIM mobile card will not be possible to use.

How to enable the SIM lock function?

  • Go to Settings and tap Security or Password and Security.
  • Now tap on More Security Settings or Privacy.
  • Then touch the desired SIM card to set the SIM card lock.
  • Now, enter the PIN code to activate the SIM card lock.

Watch this Video How to Protect Your SIM card with SIM PIN lock from unauthorized access 

Default PIN code
The default PIN code for BSNL Mobile customers (prepaid and postpaid) is 0000. It is always recommended to change the default PIN. Nobody can find the changed PIN when you enter it directly on your phone.

Contact the customer service numbers of the respective telecom service providers to get the default PIN code for other private operators such as Airtel, Jio and Vi.

How can I change the default MPIN SIM?

To change the default SIM card MPIN, tap the "Change SIM PIN" option, then enter the current and new MPIN.

What should I do if I have forgotten my PIN or blocked my card by entering an incorrect PIN?
After entering an incorrect PIN code 3 times, the SIM card will be locked and the PUK (Personal Unblocking Key) SIM will be required to unlock. SIM card blocked due to wrong PIN / wrong PIN can only be unlocked by entering the PUK code.

The PUK code is an 8-digit code that can be obtained by contacting the nearest BSNL customer service center or by calling the customer service toll-free number. To obtain the PUK code for the number, you may need to provide the SIM card number details (19-digit number printed on the SIM card) to the customer service representative.

After entering the PUK code, the phone will ask you to enter a new PIN (Personal Identification Number). We suggest choosing a PIN code other than the default PIN 0000. You will then need to enter the new PIN once more for verification.

SIM rejected due to incorrect PUK code

You have ten attempts to enter the correct bsnl puk code unlock number. After that, the card will be completely blocked and you will no longer be able to use it. A SIM card blocked by the PUK code cannot be unblocked; it can no longer be used and must be replaced.

How long will it take to unlock a PUK locked BSNL mobile phone?

The locked BSNL SIM card will be unlocked immediately by entering the correct PUK code (8-digit code). All you need to do is obtain the PUK code for your number from the nearest BSNL Customer Care Executive or BSNL CSC.

What are the applicable costs for obtaining the BSNL PUK code?

There is no charge for the BSNL PUK code. You can contact your nearest BSNL CSC or customer service to get the BSNL SIM PUK code.

What if the procedure is different for the Postpaid and prepaid SIM service of the BSNL PUK code?
The procedure for obtaining the BSNL SIM PUK code is the same for prepaid and postpaid mobile customers.

Is there any way to get BSNL PUK code via SMS?

No, it is not currently available. The bsnl puk code number can only be obtained by contacting BSNL CSC or the BSNL Customer Service Manager.

Can i generate or how to get bsnl puk code by sms?

No you've to authenticate your mobile sim card by contacting bsnl officials i.e customer care.

Is it possible to get BSNL PUK Code without SIM number?

It is not possible to get BSNL PUK code without 19 digit SIM card number. If SIM card is not with you, then approach nearest bsnl customers service center to get duplicate SIM / replacement SIM and it will done manually only at BSNL Customers Service Center (BSNL CSC).

Is there any software available online for generating PUK code?

Beware about online malware software there is no any such software and tools available for generating bsnl puk code online. If any link with 'bsnl puk code generator software free download' do not attempt to install on your mobile.

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