Samsung Galaxy A51

Samsung Galaxy A51

Android 10.0

Change PIN on your Samsung Galaxy A51 Android 10.0

Read help info

The PIN protects your SIM from unauthorised use if your phone should get stolen. You can change your PIN to a PIN easier to remember of your choice. To change your PIN, you need to turn on use of PIN.

Step 1 of 11

1. Find "Set up SIM card lock"

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

Step 2 of 11

1. Find "Set up SIM card lock"

Press the settings icon.

Step 3 of 11

1. Find "Set up SIM card lock"

Press Biometrics and security.

Step 4 of 11

1. Find "Set up SIM card lock"

Press Other security settings.

Step 5 of 11

1. Find "Set up SIM card lock"

Press Set up SIM card lock.

Step 6 of 11

2. Change PIN

Press the required SIM.

Step 7 of 11

2. Change PIN

Press Change SIM card PIN.

Step 8 of 11

2. Change PIN

Key in your current 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 11

2. Change PIN

Key in a new four-digit PIN and press OK.

Step 10 of 11

2. Change PIN

Key in the new PIN again and press OK.

Step 11 of 11

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. Change PIN

Press the required SIM.

Press Change SIM card PIN.

Key in your current 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.

Key in a new four-digit PIN and press OK.

Key in the new PIN again and press OK.

3. Return to the home screen

Press the Home key to return to the home screen.