Ensure your number does not begin with 0811 and that you have previously switched from prepaid to postpaid mode, and then you can follow the steps below.
1. Make a request
Access Changing Postpaid Card to Prepaid here tsel.id/kembalikePrabayar
2. Complete Payment
Pay your outstanding bill from the previous month (if any) and current usage.
3. Prepaid Register
Wait within 1x24 hours. Soon after your SIM card was switched back to Prepaid, register your card via SMS by typing in REGNIK#Nomor KK# kirim ke 4444
Detailed info: www.telkomsel.com/posttopre
