beegl Beegl @ 05/15/2016, 04:09
and there is no item / menu to the file system
And where did he come from ... There is no file system in the usual sense.
Look at what chip the device is made on, and look for the appropriate drivers.
P.S. Perhaps in the firmware there is generally no way to operate the device as a USB modem. This is rare, but it happens.
Connect the turned off device to the computer. If you decide how MTK Preloader is already bread, you can try to sew. If not, then we are looking for a service manual.
If there is no USB firmware at all, then JTag is in front legs and forward.