i found a second dualsim adapter: magicsim 28th (watch out the 26th does NOT work). it works better than the GDI3SG, because you dont need to use terminal commands. i will test the adapter a few more days and will tell you my experiance. HEUREKA!!!!!!!!!! you can switch with the 007 mode (002 for switching from sim1 to sim2, and 001 from sim2 to sim1) it works also fine with 3.5G and pin