Tenda D301 V4 Firmware |link| Jun 2026

| Issue | Solution | |-------|----------| | "Wrong image file" error | File is for v1/v2/v3 – redownload v4 specific file. | | Router bricked after upgrade | Perform 30-30-30 reset: hold reset button 30s with power on, 30s while unplugged, 30s after replugging. | | No DSL sync after upgrade | Re-enter ISP VLAN settings (e.g., for UK BT/Plusnet: VLAN ID 101, 802.1p 0). |

After updating the firmware:

Refines how the router handles high-traffic activities like online gaming and HD streaming. How to Check Your Current Firmware Version tenda d301 v4 firmware