Features a Micro SD card slot supporting up to 32GB.
For most users, the E303 functions like an Ethernet adapter rather than a traditional modem. Plug the E303 into a USB 2.0 port.
Compatible with Windows (XP, 7, 8, 10, 11), Mac OS X, and Linux. How to Install Huawei E303 Drivers 1. Automatic Installation (HiLink Mode)
In the early 2000s, mobile internet was still in its infancy, and USB modems like the Huawei E303 were a common way for people to access the internet on the go. The E303 was a compact and user-friendly device that supported download speeds of up to 3.6 Mbps.
