How To Install Stock ROM on Cktel X21 (Firmware/Unbrick/Unroot)
Guide To Install Official Stock ROM On Cktel X21 (Back to stock, Unbrick, Unroot and Fix Bootloop): The available firmware file name is Cktel_X21_MT6580_20180709_5.1.zip and it is
Guide To Install Official Stock ROM On Cktel X21 (Back to stock, Unbrick, Unroot and Fix Bootloop): The available firmware file name is Cktel_X21_MT6580_20180709_5.1.zip and it is