Singtel hi prepaid customers can easily use the Selfcare app to check their account balance and prepaid account expiry dates. However, you can follow the steps given below to know the account details faster and easier than using the Selfcare app.
How do I check my account balance or expiry?
You can easily check hi prepaid balance through USSD codes.
*100#
Is there an expiry date on my hi! SIM Card or Top-up card?
Expiry date is printed on every Topup card but if you want you can know the expiry date of your Topup card or SIM card by dialing the USSD code below.
See also : A Step-by-Step Guide: How to Check StarHub Balance
*139#
Singtel balance check Code, These codes can be used by all Singtel prepaid customers in Singapore.