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Turn use of PIN on or off

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

Step 1 of 7

Find "Set up SIM card lock"

Tap Settings.

Step 2 of 7

Find "Set up SIM card lock"

Tap Security & privacy.

Step 3 of 7

Find "Set up SIM card lock"

Tap Additional settings.

Step 4 of 7

Find "Set up SIM card lock"

Tap Set up SIM card lock.

Step 5 of 7

Turn use of PIN on or off

Tap Lock SIM card to turn the function on or off.

Step 6 of 7

Turn use of PIN on or off

Key in your PIN and tap OK. The default PIN is 1234.

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.
Step 7 of 7

Return to the home screen

Tap the Home key to return to the home screen.

Swipe right for the next step

Tap anywhere to dismiss

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