After the router reboots, log in again to confirm the new version is active. If you face configuration issues, you may need to re-enter your SIM APN settings. Troubleshooting Common Update Issues
| Firmware Build | Carrier Lock | Root Access | SIM PIN Fix | Band Locking | | :--- | :--- | :--- | :--- | :--- | | | Unlocked | No | Broken | No | | Stock EU (Teltonika mod) | Locked to EE/Vodafone | No | Fixed | No | | OpenWRT (Rare) | Unlocked | Yes (SSH) | N/A | Yes | | Patched Chinese | Unlocked | Partial (Telnet) | Broken | Yes (AT) | yeacomm p11 firmware download top
Ensure the firmware matches your specific hardware version (e.g., P11-EU vs. P11-US). After the router reboots, log in again to
Ensure your computer is getting an IP address automatically from the router, as the default IP is 192.168.0.1 . P11-US)
If you downloaded a "top" file and it failed: