Update: I installed another Firmware:
9999999_9907259_SWI9X50C_01.14.22.00_00_GENERIC_002.057_000.exeand it magically worked!
thx yall and thx yjjyijyjyy
I installed all drivers correctly,
But under connection menu it shows “No Service”
How to troubleshoot?
There are no Uknown devices in Hardware manager, but WWAN seems to be missing there.
I installed drivers through right clicking the swsd007421Fujitsu.inf file in here:
FTS_SierraWirelessEM7421WWANDriver_93251920001_1261599.zip (5.1 MB)