Black Seraph on Twitter: "And now the Anbernic RG552 made the jump to Android Pie as well, with software navigation buttons, a newer GPU driver, some more bugfixes and a new fingerprint.
Hello Everyone , [Run Android from NVME using EMMC for BOOT and RECOVERY on my NanoPC-T4 rk3399] - Low Level Development - Radxa Forum
Recovery] TWRP 3.2.3-0 released - Andoid - Radxa Forum
Board Bring Up Station P1 rk3399, M1 rk3328 - Page 5 - Station P1 - Armbian Community Forums
ROM][Android9.0][RockPI 4A/B] Android P firmware released - Andoid - Radxa Forum
Khadas Edge, an entirely new SBC concept if you love to Tinker | XDA Forums