Want to change your PIN? It's easy, but remember you need to turn on use of PIN before you can change your PIN.
Step 1 of 8
Find "Change SIM PIN"
Slide your finger down the display starting from the top edge of your mobile phone.
Tap the settings icon.
Step 2 of 8
Find "Change SIM PIN"
Tap Security.
Step 3 of 8
Find "Change SIM PIN"
Tap Set up SIM card lock.
Step 4 of 8
Find "Change SIM PIN"
Tap Change SIM PIN.
Step 5 of 8
Change PIN
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 current PIN (default is 1234) and tap OK.
Step 6 of 8
Change PIN
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 a new four-digit PIN and tap OK.
Step 7 of 8
Change PIN
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.