Occasional updates may add support for new protocols or improved device management options. Latest Firmware Versions (May 2026)
⚠️ : Using firmware for the wrong hardware revision can brick the device. dsl-3788 firmware
Never update firmware over a wireless connection. Always use a wired Ethernet cable. A power loss or Wi-Fi glitch during the 2-minute flash process can permanently brick the router. Occasional updates may add support for new protocols
If your router is the sleek, vertical standing, Wi-Fi 6 (802.11ax) modem-router combo, you own the . Attempting to flash firmware intended for a different model number will almost certainly "brick" your device. Wi-Fi 6 (802.11ax) modem-router combo
The router will reboot automatically. The power LED will flash, then stabilize.