G621-TL00, Android 4.4, Emotion UI 2.3, V100R001C01B262, China Mobile
G621-TL00_V100R001C01B245SP01_4.4.4
G621-TL00_G621-TL00V100R001C01B265 _4.4.4
G621-TL00_G621-TL00V100R001C01B245SP01 _4.4.4
G621-TL00_4.4_V100R001C01B245SP01
G621-TL00_ G621-TL00V100R001C01B269 _4.4.4