Troubleshooting
Match your error to the most likely cause and apply the corresponding fix.
Diagnostic table
| Problem | Likely cause | Fix | Go next |
|---|---|---|---|
| Invalid OTP repeatedly | Old OTP used, time drift, out-of-order SMS | Enable automatic time; request a fresh OTP; use immediately | Login SMS Guide |
| OTP arrives late | Carrier congestion, poor signal, DND filters | Move to stronger signal; check spam/blocked; retry once | OTP Not Received |
| App cannot read SMS | SMS permission denied or inbox app filtering | Allow SMS permission; change default SMS app; disable filters | OTP Not Received |
| Too many attempts | Rate limit triggered | Stop requesting; wait for cooldown; try one new OTP | FAQ |
Device settings that commonly block OTP
- SMS spam protection / message filters
- Battery optimization restrictions on the app
- Permission toggles (SMS/Phone)
- Dual-SIM message routing or SIM disabled
