I checked both Hilink and modem firmwares
Checked on soft 6.39r62 and 6.39r80
[admin@MikroTik] > sys reso usb print
DEVICE VENDOR NAME SPEED
0 1:1 Linux 3.3.5 ehci_hcd RB400 EHCI 480 Mbps
1 1:3 HUAWEI_MOBILE HUAWEI_MOBILE 480 Mbps
[admin@MikroTik] > /interface lte print
Flags: X - disabled, R - running
(empty)
Supout for the modem firmware and RB2011UiAS-RN firmware latest 6.39r80
https://www.dropbox.com/s/5usc7q11ihwzpz2/supout.rif?dl=0
the micro usb -> usb adapter is for sure good one, I checked with my mobile phone and some pendrive, beside, when I put it into the slot the green diode is flashing