Lock your SIM card with a PIN (personal identification number) to require an identification code for phone calls and cellular-data usage. To protect your SIM card from others using it for phone calls or cellular data, you can use a SIM PIN.
How do I find my SIM PIN code?
On stock Android, open the Settings for your smartphone or tablet and tap on Security.
- Access Security Settings. ...
- Go to the Advanced section. ...
- Access SIM card lock. ...
- Select the SIM card whose PIN you want to change or remove. ...
- Tap on Biometrics and security. ...
- Access Other security settings. ...
- Access Set up SIM card lock.
Is PIN code on phone or SIM card?
A PIN (Personal Identification Number)
is a 4-8 digit passcode used to authenticate a user to a unique system. PINs are often used in SIM or ATM cards. The phone's PIN is a storage unit inside the SIM card and it is also a security measure to protect the SIM card from being stolen.
