3G modem dongle make compatible for MID devices

Problem: Some of Huawei and ZTE modems are not compatible with WM8650 tablets.

Solutions: The solution is very simple, but clear: You must disable the flash drive dongle part.

This is most easily done by AT commands:

For Huawei modems:

Disable: at^u2diag=256 or at^u2diag=0
Enable: at^u2diag=255

For ZTE modems:

Disable: AT+ZCDRUN=8
Enable: AT+ZCDRUN=9

The easiest way to AT commands on a PC you can issue the modem, you can use HyperTerminal or similar terminal program.

Thanks for the idea of ​​the XDA community.

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