Microsoft Lumia 550

Microsoft Lumia 550

Windows Phone 10.0

Turn use of PIN on your Microsoft Lumia 550 Windows Phone 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 12

1. Find "SIM settings"

Slide your finger downwards starting from the top of the screen.

Step 2 of 12

1. Find "SIM settings"

Press All settings.

Step 3 of 12

1. Find "SIM settings"

Press Network & wireless.

Step 4 of 12

1. Find "SIM settings"

Press Mobile & SIM.

Step 5 of 12

1. Find "SIM settings"

Press SIM settings.

Step 6 of 12

2. Turn off use of PIN

Press Remove SIM PIN.

Step 7 of 12

2. Turn off use of PIN

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 8 of 12

2. Turn off use of PIN

Press OK.

Step 9 of 12

3. Turn on use of PIN

Press Use SIM PIN.

Step 10 of 12

3. Turn on use of PIN

Key in your PIN and press OK.

If you enter an incorrect PIN three times in a row, your PIN will be blocked. To unblock your PIN, you need to key in the PUK which you can retrieve by contacting customer services. If you key in the wrong PUK ten times in a row, your SIM will be blocked permanently.
Step 11 of 12

3. Turn on use of PIN

Press OK.

Step 12 of 12

4. Return to the home screen

Press the Home key to return to the home screen.

1. Find "SIM settings"

Slide your finger downwards starting from the top of the screen.
Press All settings.
Press Network & wireless.
Press Mobile & SIM.
Press SIM settings.

2. Turn off use of PIN

Press Remove SIM PIN.
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.
Press OK.

3. Turn on use of PIN

Press Use SIM PIN.
Key in your PIN and press OK.
If you enter an incorrect PIN three times in a row, your PIN will be blocked. To unblock your PIN, you need to key in the PUK which you can retrieve by contacting customer services. If you key in the wrong PUK ten times in a row, your SIM will be blocked permanently.
Press OK.

4. Return to the home screen

Press the Home key to return to the home screen.