: Requires an Unlocked Bootloader and TWRP Recovery . Flash the .zip or .img file via TWRP. Olimex A20-OLinuXino (Micro-PC) A20-OLinuXino-MICRO Go to product viewer dialog for this item. board, you typically need a specific NAND or SD card image.
device are you using so I can provide the exact download links? A20-OLinuXino-MICRO - Olimex download a20 android image
: Check Settings > About Phone for your specific model (e.g., : Requires an Unlocked Bootloader and TWRP Recovery