| Requirement | Details | |-------------|---------| | | Tenda D302 (check label on bottom) | | Connection | Wired Ethernet (LAN port 1–4) – Do not use Wi-Fi | | Browser | Chrome, Firefox, Edge (disable caching; clear history) | | Power | Uninterrupted power supply (use UPS if available) | | Backup | Export current settings (see Section 3.1) | | File | Correct firmware for hardware revision (v1.0 / v2.0 / v3.0) |

Arjun checked his battery. 80%. Plenty of runway.

download firmware that matches your hardware version to avoid bricking the device. Download the ZIP file and extract the firmware file to your computer. Step 2: Connect via Ethernet Do not update over Wi-Fi.

| Failure | Cause | Recovery | |---------|-------|----------| | “Wrong image” | Hardware mismatch | Download correct version for V1/V2. | | Update stalls >5 min | Corrupted file | Re-download, reboot router, retry. | | No web access after update | IP changed | Manually set PC to 192.168.0.x or 192.168.1.x . | | Router bricked | Power loss during write | Use Tenda TFTP recovery (hold reset while powering on). |