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Turning my mobile phone PIN on or off

If you want to protect your SIM against unauthorised use, you need to turn on your PIN protection. Once done, it needs to be keyed in when you turn on your mobile phone.
Please note: your PIN doesn't prevent others from accessing the contents of your mobile phone (such as pictures and messages). You can prevent this by turning on the phone lock code.

Step 1 of 6

Find "SIM Card"

Slide your finger down the display starting from the top edge of your mobile phone.

Tap Settings.

Step 2 of 6

Find "SIM Card"

Tap Security and Privacy.

Step 3 of 6

Find "SIM Card"

Tap SIM Card.

Step 4 of 6

Turn PIN on or off

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 Service.Please note:If an incorrect PUK is entered ten times in a row, your SIM is blocked permanently. In this case, you'll need a new SIM from SingTel.

Tap the indicator next to SIM Card PIN Lock.

Step 5 of 6

Turn PIN on or off

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 Service.Please note:If an incorrect PUK is entered ten times in a row, your SIM is blocked permanently. In this case, you'll need a new SIM from SingTel.

Key in your PIN (default is 1234) and tap OK.

Depending on the current setting, your PIN is turned on or off.

Step 6 of 6

Exit

Slide your finger up the display starting from the bottom edge of your mobile phone to return to standby mode.

Swipe right for the next step

Tap anywhere to dismiss

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