Try this image, I have just booted it.
EDIT: One more mention, there is neither WiFi nor Bluetooth in this image.
rockpi login: root
Password:
____ ___ ____ _ __ ____ _ ____
| _ \ / _ \ / ___| |/ / | _ \(_) / ___|
| |_) | | | | | | ' / | |_) | | \___ \
| _ <| |_| | |___| . \ | __/| | ___) |
|_| \_\\___/ \____|_|\_\ |_| |_| |____/
Welcome to Debian Buster with Armbian Linux 4.4.192-rockchip64
System load: 0.13 0.20 0.09 Up time: 2 min
Memory usage: 9 % of 425MB IP:
CPU temp: 34°C
Usage of /: 1% of 58G
root@rockpi:~# uname -a
Linux rockpi 4.4.192-rockchip64 #24 SMP PREEMPT Fri Oct 18 19:42:24 UTC 2019 aarch64 GNU/Linux