Possible cause 9 of 10:
Your SIM is faultyYou can check if your SIM is faulty by inserting it in another mobile phone.
What you need to do
Find your nearest Singtel dealer to get a new SIM.
Did this solve the problem?
Fields marked with * are mandatory.
Use the address below to create a direct link to the current page.
© Singtel (CRN: 199201624D) All Rights Reserved.