If the device appears in Device Manager with a yellow exclamation mark: Microsoft Learnhttps://learn.microsoft.com Huawei 3372h-135 4G USB not working on Windows 11
“I plugged in my E3372s-153. Windows 11 installed drivers. But no internet. I opened Device Manager – saw ‘HUAWEI Mobile Connect – Network Card’ with a yellow triangle. After 2 hours of searching, I learned: this model needs mode switching .” huawei e3372 windows 11
: If the installation doesn't start automatically, open "This PC" (File Explorer), find the virtual drive created by the modem, and run AutoRun.exe . If the device appears in Device Manager with