T-mobile MDA Compact IV pinouts
HTC ExtUSB pinout HTC ExtUSB is 11-pin USB connector used on older HTC phones. It is a single port to handle Audio, USB Sync, and Power Compatible with mini-usb connector.
HTC ExtUSB headset pinout for HTC MTeoR, S310, S710, S711, S730, S720, 5800, S620, S621, S630, X7510, X7501, X7500, Touch Cruise P3650, Touch Find, P3300, P3350, Touch P3452, Touch P3450, Touch P3050, Touch Dual P5500, HTC Touch Dual P5310, HTC Touch Dual US, P3470, P3400, P3401, P3400i, TyTN II P4550, TyTN P4500, P4350, HTC P3600, P3600i, P6300, P6500, P4000, P3451, S640, Touch Diamond P3700, Touch Diamond P3700 US, Touch Diamond P3702, Touch Diamond P3100, HTC Touch Pro, Touch Pro CDMA, Touch Viva, Max 4G