Is GST included? The amount reflect is inclusive of 9% GST. What are the accepted payment modes? Changi Mobile currently accepts payment using MasterCard/ Visa Credit or Debit card. When does my first bill cycle start? Your first bill cycle starts once you have received your SIM and click on “I have received my Changi Mobile SIM” in your Changi Go app.
If you fail to click on “I have received my Changi Mobile SIM” within 14 days from successful delivery/pick-up, your service will be suspended.
If you fail to click on “I have received my Changi Mobile SIM” within 30 days from successful delivery/pick-up, your service will be terminated. There is strictly no refund for terminated service. How to check my bill cycle? Your bill cycle is indicated below your mobile line in the dashboard of the Changi Go mobile app (Home > Mobile). Do I get a refund for my unused period, cancelled order, card loss, damage and terminated subscription? Changi Mobile products and services once sold are non-refundable or exchangeable for cash or any products. There will be no refund for any cancelled orders by customer, unused value upon card loss, damage, expiry and termination. When will I get the Tax Invoice to pay my bill? The Tax Invoice will be sent to your registered email 10 days before payment due date, thus please ensure you provide a valid email during sign-up. How to pay my bill/ renew my subscription? Login to Changi Go App, select 'Account', then 'My Payment Card'. Once payment detail is keyed in, your monthly bill with be auto deducted from the debit/credit card and there will be no further action required on your end for your recurring bill. If I have a late payment for my plan, how do I pay my bills? You can login to your mobile app, select the mobile number from the dashboard, and make payment. Changi Mobile will also attempt payment deduction every 5 days after your payment due date.

Please note that payment cannot be made and will not be processed during 2130 – 2359 of the last day of your bill cycle. On 28 February, payment cannot be made and processed during 1900 – 2359. How do I change/update my payment details? You may login to our Changi Go mobile app / web to make changes to your payment details (App/Web: go to Account > My Payment Card > Add/Delete a Card). How to update my email address? You may update your email address via Changi Go mobile app (Home > Mobile > Edit (Top Right) > My Account > My Profile). Will I be charged or will my outgoing minutes be deducted for calling 1800 numbers? Calls made to 1800 numbers via Changi Mobile are chargeable, and it will be deducted from your monthly plan/add-on talktime balance. I did not receive my Tax Invoice. What should I do? Please check that your email address in Changi Go mobile app is correct as all Tax Invoices are sent to the email address that was provided previously. Updating of details can be done in Changi Go mobile app (Home > Mobile > Edit (Top Right) > My Account > My Profile). I would like to request for my bill cycle to be changed or updated to a specific date. Is this possible? Changing of bill cycle to a specific date is not available.