Nokia TA-1093 - Protect your phone; Protect your phone with a screen lock; Change your SIM PIN code

Protect your phone
Protect your phone with a screen lock
You can set your phone to require authentication when unlocking the screen.
SET A SCREEN LOCK
Tap Settings > Security & location > Screen lock.1.
Choose the type of lock and follow the instructions on your phone.2.
Change your SIM PIN code
If your SIM card came with a default SIM PIN code, you can change it to something
more secure. Not all network service providers support this.
SELECT YOUR SIM PIN
You can choose which digits to use for the SIM PIN. The SIM PIN code can be 4-8
digits.
Tap Settings > Security & Location > SIM card lock.1.
Under the selected SIM card, tap Change SIM PIN.2.
Tip:If you don’t want to protect your SIM with a PIN code, switch Lock SIM card to Off,
and type in your current PIN.
Access codes
Learn what the different codes on your phone are for.
Nokia 2.1 User Guide
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