The downloaded file will arrive compressed as a .zip archive. Extract it on your computer to find the raw installation file, usually ending in .bin or .trx . Phase 2: Router Web Interface Login
| Problem | Likely Cause | Solution | | :--- | :--- | :--- | | | Hardware version mismatch | Double-check V1.0 vs V2.0. Re-download the correct file. | | Update stalls at 0% | Browser cache or firewall | Use Chrome/Firefox in incognito mode. Disable antivirus temporarily. | | Router won't boot after update | Corrupted file or power loss | Perform a TFTP recovery (advanced – requires Tenda recovery tool). | | 4G connection lost after update | APN settings erased | Re-enter your carrier's APN (e.g., internet , broadband , fast.t-mobile.com ). | | Wi-Fi SSID disappeared | Regional setting reset | Change Wi-Fi region back to your country (e.g., United States). | tenda 4g630 firmware update link