Switch from Prepaid to Postpaid

Easy to budget control, Worry Free with
balance top up and enjoy non-stop internet

Easily switch to Postpaid by yourself via online

Please prepare  your ID card  for identification

Why should you switch to Postpaid

  • Subscribers who eligible for switching the service via online channel must be at least 17 years of age, complete the ID card verification process for the One-2-Call! SIM activation and the number must has service year more than 3 months.
  • Subscribers have to hold ownership over the phone number and must verify the same ID card number as verified in the number activation process.
  • Subscribers must have no overdue balance with AIS.
  • Subscribers must have no binding contract with a no-package-change clause on any promotional special-priced mobile phone with AIS One-2-Call!
  • The number eligible for applying for the service must not be a number SIM 2 Fly, Traveller SIM (Lucky SIM), Net Marathon, or Super Smart Plus number.
  • The remaining and/or outstanding balance of the pre-paid account will be automatically transferred to the post-paid account before reaching the first billing cycle after switching the service.
  • The remaining balance to be transferred to the post-paid account can only be used to pay the post-paid service. It cannot be withdrawn or returned in cash.
  • Users who have a remaining balance of more than 2,000 Baht, or 50 Baht or more outstanding balance, cannot apply for this post-paid switching service.
  • For pre-paid subscribers with the Share Plan, the pre-paid account remaining balance will be converted into a discount applied to excess usage of the post-paid service charge. This discount can be applied for 12 billing cycles.
  • After successfully switching to the post-paid account, this number will not be able to change back to use the pre-paid account within 6 months.
  • The remaining balance, minutes allowance and privilege bonuses cannot be transferred to the post-paid service. (Subscribers should transfer the remaining balance to others or use up the balance before switching to post-paid)
  • All add-on packages subscribed to under the pre-paid account will be terminated.
  • The credit balance limit is 2,000 Baht. If subscribers wishes to change the credit limit, s/he should apply, with a copy of his/her ID card, at any AIS Shop.
  • Subscribers will only receive service invoices as e-bills via SMS.