Headsets, Headphones, Handsfree - pinouts of mobile phones and other equipment  > LG pinouts
LG TU550 Cellphone Headset
4 pin 3.5mm (2.5mm) plug connector layout
4 pin 3.5mm (2.5mm) plug connector
According to 4 reports in our database (1 positive and 1 negative) this pinout may be incorrect.

Is this pinout
LG KG220, KG225, TU500, TU550, 7100, LG Ally VS740 / US740 Apex, Arena, Chocolate 3 VX-8560, Chocolate Touch VX8575, Fathom VS750, G2x, GS390 Prime, GW300, GW620, Lotus LX600, Neon II, Optimus M MS690 / Optimus C, Optimus T, Quantum C900, Rumor Touch / LN510, Tritan AX-840 / UX-840, Vortex VS660, VX9700 Dare cell phones headset visual pinout:
LG KG220, KG225, TU500, TU550, 7100, LG Ally VS740 / US740 Apex, Arena, Chocolate 3 VX-8560, Chocolate Touch VX8575, Fathom VS750, G2x, GS390 Prime,   GW300, GW620, Lotus LX600, Neon II, Optimus M MS690 / Optimus C, Optimus T, Quantum C900, Rumor Touch / LN510,   Tritan AX-840 / UX-840, Vortex VS660, VX9700 Dare cell phones headset diagram
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