H685-H820-SDK-Old-Version-Firmware-Pre-2016

If you are using an older version (Non WRT) of the H685 or H820 3G/4G router then you cannot update your firmware using the new WRT firmware versions.

Here is a copy of fhe firmware for the old version of firmware – this firmware is for both the old version of h685 and H820 router

CELL_ROUTER_8M64M_V2.5.5_20161110