Do not panic. The router may be in “recovery mode.” Download the Tenda TFTP Recovery Tool (available on their site) and manually push the firmware via Ethernet using a static IP (e.g., 192.168.0.10). Contact Tenda support if this fails.
Before starting the update, ensure your device is prepared to avoid "bricking" (making the device unfunctional): tenda 4g180 firmware update new
The Tenda 4G180 is currently considered a . Users searching for a "new" firmware update are unlikely to find an official public release. The device should be used as-is with proper configuration. If the device is exhibiting hardware failures or severe connectivity issues that configuration cannot fix, the most viable solution is hardware replacement rather than a software update. Do not panic