Meizu Engineer / Factory
M1721 One Piece firmware Flyme 6.1.4.4A
M1721 One Piece firmware Flyme 6.1.4.4A
M1721 NetEase version firmware Flyme 6.1.4.4A
M1721 NetEase version firmware Flyme 6.1.4.4A
M1721 Telecom customized firmware Flyme 6.1.4.2Q (used without replacing the motherboard)
M1721 Telecom customized firmware Flyme 6.1.4.2Q (used without replacing the motherboard)
M1721 Mobile Custom Firmware Flyme 6.1.4.2M
M1721 Mobile Custom Firmware Flyme 6.1.4.2M
M1721 Full Netcom Public Edition-Flyme 6.1.4.7A (for board replacement)
M1721 Full Netcom Public Edition-Flyme 6.1.4.7A (for board replacement)
M1721 Full Netcom Public Edition-Flyme 6.1.4.7A (without changing the board)