Fibocom L830-EB-002 - usb mode switching problem

[reggelo]

Dear All!

I have a LTE module (mentioned in the subject) and i switched to an
undocumented state (AT+GTUSBMODE=3) which is (i guess) the "MBIM only, end
user configuration for Win8+ OS
" based on this documentation:
http://szght9.us05.host.35.com/upfile/down/file_2_3_3_2_14_1.pdf (maybe
this is not the correct one)
I did not found the factory reset method (
https://www.endrich.com/fm/2/FIBOCOM_L830-EB-11%20Hardware%20User%20Manual_V1.0.3%281%29.pdf
).
Is it possible to send AT commands via MBIM or reset somehow the modem?

Thank you in advance!

Best regards,
Balazs
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