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Samsung Galaxy Z Flip4

Android 12.0

Turn use of PIN on your Samsung Galaxy Z Flip4 Android 12.0 on or off

The PIN protects your SIM from unauthorised use if your phone should get stolen. If use of PIN is turned on, it needs to be keyed in when you turn on your phone.

Step 1 of 8

1. Find "Set up SIM card lock"

Slide two fingers downwards starting from the top of the screen.

Step 2 of 8

1. Find "Set up SIM card lock"

Press the settings icon.

Step 3 of 8

1. Find "Set up SIM card lock"

Press Biometrics and security.

Step 4 of 8

1. Find "Set up SIM card lock"

Press Other security settings.

Step 5 of 8

1. Find "Set up SIM card lock"

Press Set up SIM card lock.

Step 6 of 8

2. Turn use of PIN on or off

Press the indicator next to "Lock SIM card" to turn the function on or off.

0000

0000

0000

Step 7 of 8

2. Turn use of PIN on or off

Key in your PIN and press OK. The default PIN is 0000.

If an incorrect PIN is entered three times in a row, your SIM will be blocked. To unblock your SIM, you'll need to key in your PUK. The PUK can be obtained by contacting customer services. Please note: If you key in the wrong PUK ten times in a row, your SIM will be blocked permanently. In this case, you need a new SIM from Lebara.

Step 8 of 8

3. Return to the home screen

Press the Home key to return to the home screen.

1. Find "Set up SIM card lock"

Slide two fingers downwards starting from the top of the screen.

Press the settings icon.

Press Biometrics and security.

Press Other security settings.

Press Set up SIM card lock.

2. Turn use of PIN on or off

Press the indicator next to "Lock SIM card" to turn the function on or off.

Key in your PIN and press OK. The default PIN is 0000.

If an incorrect PIN is entered three times in a row, your SIM will be blocked. To unblock your SIM, you'll need to key in your PUK. The PUK can be obtained by contacting customer services. Please note: If you key in the wrong PUK ten times in a row, your SIM will be blocked permanently. In this case, you need a new SIM from Lebara.

0000

3. Return to the home screen

Press the Home key to return to the home screen.