Raspberry Pi 3 UEFI Firmware Images
Why do you think that https://github.com/openfans-community-offical/Debian-Pi-Aarch64 is a good alternative to RPi3
Raspberry Pi 3 UEFI Firmware Images
Why do you think that https://github.com/openfans-community-offical/Debian-Pi-Aarch64 is a good alternative to RPi3