If your primary 3G/4G signal is lost, the router immediately fails over to the wired WAN connection. Automatic Restore:
If you haven’t updated in over six months, you are leaving performance and security on the table. tenda 4g630 firmware update
To ensure the new firmware operates without legacy software conflicts, perform these maintenance steps: Factory Reset the Device If your primary 3G/4G signal is lost, the
Do not attempt a firmware update over Wi-Fi. If the wireless signal drops for even a second during the flash process, the router could become unusable. Plug your computer directly into one of the router's LAN ports using an RJ45 Ethernet cable. If the wireless signal drops for even a
: You are likely trying to install firmware meant for a different hardware version. Re-verify the sticker on the bottom of the unit.
Older firmware versions may struggle to maintain a stable connection with modern 4G LTE towers, especially as carriers upgrade their infrastructure (e.g., moving spectrum to 5G). A new firmware update often includes updated modem drivers and signal processing algorithms, reducing "red light" errors and ping spikes.