If the OTP code is not received, please try the following tips:
✅ Check the SIM Management Settings (if dual SIM), ensuring the SIM for the Telkomsel card is active and receives a Telkomsel signal.
✅ Turn ON then Turn OFF the Airplane Mode button.
✅ Change the automatic network mode to manual, then return it to automatic again.
✅ For Android, check and ensure the SMS service center number is +6281-100-000
✅ For iPhone, reset the Network.
✅ Try on another device.
✅ Check the physical condition of the SIM card; if there is damage, replace it at the nearest GraPARI at tsel.id/grapari