Kyocera 2255 pinouts
The connector/pinout information may be applied to the Kyocera model 2255
Universal Cell Phone 3-pole (mono) headset connector pinout cordless/cell phones headset/handsfree cable connector
Kyocera 2035, 2235, 2255 cell phones pinout full pinout
MRLG 4-pole 2.5mm headset connector pinout MRLG pinout