It is an additional wire for above phones to connect with Griffin Box, Twister Flasher, Tornado Box ( UFS2, UFS3 ), cloned Prodigy, JAF and all other boxes with compatible RJ45 socket.
Compatible with: LG KG800, KE260, KE600, KE770, KE800, KE820, KE850 PRADA, KE970 SHINE, KG195, KG200, KG270, KG300, KG320, KG328, KG330, KG810, KG920, KU250, KU311, KU580, KU800 CHOCOLATE