1. Match the account
Compare the phone number in the app with the registration number. A plan may not appear if you are viewing a different account.
2. Review the order status
Check that the transfer note holds your sign-in phone number, and the time of the transfer. Do not pay again just to see whether the plan appears.
3. Prepare a support request
Note the order reference, time and issue. When sending proof on Siroby’s Zalo, hide unrelated details; never send card numbers or banking passwords.
Check after trying
Repeat the original action after each change. If the issue remains, note the device, browser, step and message you see before preparing a support request. Do not include passwords or verification codes.
Try the support request flow