H108n Firmware -

The H108N has a inside (J1: GND, TX, RX). With a USB‑TTL adapter (3.3V) you can stop boot ( Ctrl+C in bootloader) and load a new firmware via loadb + Kermit.

resetting the router and accessing the upload page via File Explorer to trigger a redirect. Risks of Modifying Firmware h108n firmware

Before you download anything, you need to know what you currently have. The H108N has a inside (J1: GND, TX, RX)