Glad to share Teclast X98 android 5.0 firmware official versions. the package inludes: x98_air_3g(c5j6)_V2.00, x98_air_II(hg9m)_V3.00.
Note: the android 5.0 official firmwares are only for X98 Air 3G(C5J6) & X98 AIR Ⅱ(HG9M), other IDs still need test. Please flash BIOS as the corresponding ID, don’t flash wrong BIOS. Dual boot hot switch BIOS and flash guides are same to the before trial versions: Teclast X98 “Android 5.0 + Dual OS Hot Switch” Newest Firmwares Are Coming! (Trial Versions)
Have a nice day!