Samsung Galaxy A51

Samsung Galaxy A51

Android 10.0

Turn use of PIN on your Samsung Galaxy A51 Android 10.0 on or off

Read help info

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 9

1. Find "Set up SIM card lock"

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

Step 2 of 9

1. Find "Set up SIM card lock"

Press the settings icon.

Step 3 of 9

1. Find "Set up SIM card lock"

Press Biometrics and security.

Step 4 of 9

1. Find "Set up SIM card lock"

Press Other security settings.

Step 5 of 9

1. Find "Set up SIM card lock"

Press Set up SIM card lock.

Step 6 of 9

2. Turn use of PIN on or off

Press the required SIM.

Step 7 of 9

2. Turn use of PIN on or off

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

Step 8 of 9

2. Turn use of PIN on or off

Key in your PIN and press OK.

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. You can get the PUK by calling customer services on 191 from a Vodafone mobile phone. If you're using a land line, you need to dial 03333 040 191. 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 Vodafone.

Step 9 of 9

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 required SIM.

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

Key in your PIN and press OK.

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. You can get the PUK by calling customer services on 191 from a Vodafone mobile phone. If you're using a land line, you need to dial 03333 040 191. 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 Vodafone.

3. Return to the home screen

Press the Home key to return to the home screen.