The router will show a progress bar. Once it reaches 100%, the router will automatically restart. This usually takes 2–3 minutes. Troubleshooting Tips
| Issue | Cause | Solution | | :--- | :--- | :--- | | | Firewall blocking upload or wrong file type. | Disable antivirus. Redownload firmware. Use Ethernet. | | Router bricked (no LEDs, no WiFi) | Power loss during update. | Perform Emergency Recovery (see below). | | “Wrong image” error | Hardware version mismatch. | Verify your hardware version (V1/V2/V3). Download correct file. | | WiFi slower after update | Old configuration conflict. | Do a factory reset and reconfigure manually (don’t restore old backup). | | Can’t access 192.168.0.1 | IP changed or router bootlooping. | Set PC to static IP 192.168.0.10, subnet 255.255.255.0. Then press reset pinhole for 30 seconds. | tenda fh456 firmware update top
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