E3372h unlocked but....

[marekbela]

User: marekbela
User credits: 4
19/04/2016 18:24:16 Starting to write device...
Validating file...
File to write: C:\Users\Marek\Downloads\Huawei_WEBUI_17.100.06.00 .03.dgtks
File version: INPUT
Looking for attached port...
Attached port found: COM8
Changing device to download mode...

USB Device REMOVAL
Type: @usb.inf,%usb\composite.devicedesc%;USB Composite Device
VidPid: VID_12D1&PID_1C05
Instance id: 6&3629035e&0&2

USB Device INSERTION
Type: @usb.inf,%usb\composite.devicedesc%;USB Composite Device
VidPid: VID_12D1&PID_1C05
Instance id: 6&3629035e&0&2
Device has signed firmware
The file has no signature
Error: signature verification NOT passed
19/04/2016 18:24:43 Writing device finished with ERROR

[Vincentas]

I tried to write Huawei_WEBUI_17.100.06.00.03.dgtks and I got error: signature verification NOT passed

Then it means this web-ui will not work for you.