Re-flash it to firmware 21.333 (Stick mode).
On modern operating systems (Windows 10/11, macOS, and most Linux distributions), the E3372 is mass-storage compliant. Upon insertion, it presents a virtual CD-ROM drive containing the driver installation software. huawei e3372
: 4G LTE (Cat 4) with download speeds up to 150 Mbps and upload speeds up to 50 Mbps . Re-flash it to firmware 21