This software will allow you to unlock as many Siemens handsets as you
This Software unlocks the following models:
A35, A36, A40, A50, A55, C30, C35, S35, C45, C55, S40, S45, S55, SL42, SL45,
SL55, M35, M50, ME45,
MT50, 1168, 2118, 3118, 2128, 6688
This software will only work with a serial Cable - Not USB.