Firmware Gm220s Top !free! [OFFICIAL]

: Supports data rates of up to 1.25Gbps (upstream) and 2.5Gbps (downlink).

Uploading an incompatible firmware file or losing power during the flash process can permanently destroy the device's bootloader. General Step-by-Step Flashing Procedure firmware gm220s top

What are you trying to fix (e.g., connection drops, Chinese language interface)? : Supports data rates of up to 1