Asus also participated in XDA's device seeding program with a few of their previous models. - Zenfone 6: https://www.xda-developers.com/asus-zenfone-6-custom-r

Asus also participated in XDA's device seeding program with a few of their previous models. - Zenfone 6: https://www.xda-developers.com/asus-zenfone-6-custom-rom-twrp-lineageos/ https://www.xda-developers.com/asus-zenfone-6-custom-rom-twr... - ROG Phone II: https://www.xda-developers.com/asus-sending-rog-phone-ii-custom-rom-kernel-developers/ https://www.xda-developers.com/asus-sending-rog-phone-ii-cus... - ROG Phone 3: https://www.xda-developers.com/asus-rog-phone-3-custom-roms-custom-kernels-development/ https://www.xda-developers.com/asus-rog-phone-3-custom-roms-... Hopefully, Asus does something similar with the Zenfone 9.