UserAgent: Mozilla/5.0 (X11; CrOS aarch64 9150.0.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2970.0 Safari/537.36
Platform: 9150.0.0 (Official Build) dev-channel elm

Steps to reproduce the problem:
1.Attach Huawei dongle to USB port 
2. 
3. 

What is the expected behavior?
Connect to 4G Network replacing WiFi with Ethernet in system list in taskbar. The 64Gb microSD fitted inside dongle is displayed / accessed in 'Files'

What went wrong?
Expected behaviour does not occur; no 4G connection and microSD not shown although the dongles green and blue lights are active so must be getting power?

Did this work before? N/A 

Chrome version: 57.0.2970.0  Channel: dev
OS Version: 9150.0.0
Flash Version: Shockwave Flash 24.0 r0

Worked in Beta version but not since changed to Dev