I got the new E303s-2 working with the following modeswitch. #Huawei E303s-2 DefaultVendor= 0x12d1 DefaultProduct= 0x1f01 TargetVendor= 0x12d1 TargetProduct= 0x1001 MessageEndPoint = "0x01" MessageContent="55534243123456780000000000000011060000000000000000000000000000" Finally ! ...

Thanx for all your answers; I had been succesfull to do a modeswitch on a arduino Yun with a E303 Huawei dongle. in the file /etc/usb_modeswitch.d/12d1:1f01 : #Huawei E303 DefaultVendor= 0x12d1 DefaultProduct= 0x1f01 TargetVendor= 0x12d1 RargetProduct= 0x1f01 MessageEndPoint = "0x01" Messa...

I've been trying for days to get this dongle going on the arduino Yun

i've reset the Yun more then once , and once i got the 12d1:1f01 address but now it's always 12d1:14db

does that make a diffference to use the modeswitch ? (set to 14dc)