D01g Firmware Updated ((better)) -

If you are attempting to "paper" or document a manual firmware flash (e.g., using a .zip file from an SD card):

Whenever possible, connect your computer to the D01G router using an Ethernet cable. Updating over Wi-Fi is risky; if the wireless signal drops during the installation, the firmware may corrupt.

Complete Guide to the D01G Firmware Update: Boost Performance and Security