LG F9100 pinouts
The connector/pinout information may be applied to the LG (show all pinouts) model F9100
Universal Cell Phone 3-pole (mono) headset connector pinout cordless/cell phones headset/handsfree cable connector
LG 24 pin mobile phones cable connector pinout For LG C1100, C1200, C1300, C1400, C1500, F2100, F9100, G1600, G5500, G5600, G7000, G7020, G7030, G7050, KG120, KG210, KG220, KG225, KG320, L1100, L1200, L1400, lx5450, lx5550, T5100, vi5225, vx4500, vx4600, vx6000 , 4010, 4011, 4050, 8080 and LG 3G phones (including LG40xx,LG70XX,L11XX and most others with 24 pin conector). This pinout is also compatible with the Axesstel AXW P800 and Zapp Z1130 WLL phones.
This pinout may also be compatible with the Samsung SUC-C2 cable.
MRLG 4-pole 2.5mm headset connector pinout MRLG pinout