LG Neon II pinouts
The connector/pinout information may be applied to the LG model Neon II

 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 pinout LG TU550 Cellphone Headset
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 pinout LG TU550 Cellphone Headset Micro-USB mobile phone/smartphone cable connector pinout standard micro-usb cable
Micro-USB mobile phone/smartphone cable connector pinout standard micro-usb cable