Images for non LTS version can be downloaded here
Orange Pi Zero 2 setup – Armbian Bullseye – F1ATB
Orange pi 4 - Page 7 - Orange Pi 4 / 4B / 4 LTS - Armbian Community Forums
Orange Pi 4 LTS 3GB LPDDR4 Rockchip RK3399 Six Core 64 Bit Single Board Computer with 16GB eMMC Flash, Run Android, Ubuntu, Debian OS (Pi4 LTS 3G+Metal Shell+Type C Supply+Al Heat
Orange Pi 4 LTS 3GB LPDDR4 Rockchip RK3399 Six Core ARMR 64 Bit with 16GB EMMC, Single Board Computer Run Android, Ubuntu, Debian OS (Pi 4 LTS 3GB +16GB EMMC) : Electronics
Orange Pi 4 LTS - audio I2S output on GPIO ( 26 pin header ). - Orange Pi 4 / 4B / 4 LTS - Armbian Community Forums
Orange Pi 4 Kernel 5.10.y MIPI DSI Panel sucessful - Orange Pi 4 / 4B / 4 LTS - Armbian Community Forums
How to Install Armbian on Orange Pi 5 - For Beginners : r/OrangePI
Install Armbian on Orange Pi
Orange Pi 4 Kernel 5.x.x rt5651 sound and bluetooth fixed - Orange Pi 4 / 4B / 4 LTS - Armbian Community Forums
Getting Started with Orange Pi Prime Armbian