Issue: SIM Error
Related Pictures:
Description:
At H685/H820/H700/H720 router, the "Status Page" indicates "*** SIM Error ***". Sometimes the Signal will indicates correct signal value, but cannot dialup and Sim Status shows "*** SIM Error ***".
Main Cause and Solution:
| Item | Cause | Solution |
| 1 | SIM card is not touched well with sim slot | try to take out the sim card, re-insert it; try to scratch the sim card slot touch pin to clear the dirty; |
| 2 | SIM card is not compatible to your local network | try to change another sim card |
| 3 | SIM card is not compatible to the radio module in the router | try to change another sim card. Or contact sales to order other radio module if possible. |