Want to change your PIN? It's easy, but you'll need to turn on use of PIN before you can change your PIN.
Step 1 of 12
Find "Change PIN Code"
Tap the Menu key twice.
Step 2 of 12
Find "Change PIN Code"
Tap Options.
Step 3 of 12
Find "Change PIN Code"
Tap Device.
Step 4 of 12
Find "Change PIN Code"
Tap Advanced System Settings.
Step 5 of 12
Find "Change PIN Code"
Tap SIM Card.
Step 6 of 12
Find "Change PIN Code"
Tap the Menu key.
Step 7 of 12
Find "Change PIN Code"
Tap Change PIN Code.
Step 8 of 12
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 Enter.
Step 9 of 12
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 the new PIN and tap Enter.
Step 10 of 12
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.