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Get PUK code & Reset PIN number : SingTel | StarHub | M1,MobileOne Singapore

This article will help you to get the PUK code for your locked SIM card and reset your PIN number to make your mobile phone work again.

SingTel, M1 (previously Mobileone) and Starhub are the leading mobile network providers in Singapore. The SIM cards provided by these networks are equipped with a PIN number to ensure security of the customers.




By default the PIN number for all these mobile network SIM cards will be 1234
If you enter the PIN code wrongly for three times, then the phone will be locked and ask for PUK code. If you enter PUK code wrongly for 10 times, then the SIM will be permanently blocked and you have to buy a new SIM .

So, In order to retrieve your PUK code and reset the PIN number , follow the procedure provided below for your network.

>>SingTel

In a piece of paper, note down your SIM number printed on the SIM card.

If you are calling from another SIngTel mobile, then call 1688 and choose the option to unlock PUK or speak with customer care.
If you are calling from landline ,other network or from other country then call +65 6235 1688

Note the PUK code provided and enter it in the locked phone.

Reset your PIN number with new one.

Now your phone will be unlocked and you can use it normally.
>>M1 MobileOne

In a piece of paper, note down your SIM number printed on the SIM card.

If you are calling from another M1 mobile, then call 1627  and choose the option to unlock PUK or speak with customer care.
If you are calling from landline ,other network or from other country then call +65 96801627

Note the PUK code provided and enter it in the locked phone.

Reset your PIN number with new one.

Now your phone will be unlocked and you can use it normally.

IF your SIM is not locked and if you want to know your PUK , you can check here in their Online account.

>>StarHub

In a piece of paper, note down your SIM number printed on the SIM card.

If you are calling from another starhub mobile, then call 1633  and choose the option to unlock PUK or speak with customer care.
If you are calling from landline ,other network or from other country then call +65 6873 2828
Note the PUK code provided and enter it in the locked phone.

Reset your PIN number with new one.

Now your phone will be unlocked and you can use it normally.

If your SIM is not locked and if you want to know your PUK , you can check here in their Online account in official webpage..