Newifi D2 Flashing Guide:
1. sysupgrade.bin - Flash via BreedWeb (hold reset for 10 seconds + power on, then go to 192.168.1.1)
2. USB.img.gz - Write to USB drive using Etcher or Win32 Disk Imager, then plug into Newifi D2

Video Tutorial: Watch on YouTube (use the latest files below, video is outdated)