Look at the sticker underneath the router battery. Note the exact hardware version (e.g., V1.0 or V2.0). Installing the wrong version's firmware can permanently damage the device.
| Item | Details | |------|---------| | | Fully charged or connected to USB power | | Windows PC or Mac | Wired Ethernet connection preferred (but Wi-Fi is okay) | | Ethernet cable | Optional but recommended to avoid disconnects | | Current firmware file | Downloaded from Tenda’s official support site | | Backup settings | Export your current configuration (if available in UI) | tenda 4g180 firmware update