Huawei_E303_Driver.zip (or part of Mobile Partner suite)
1. Executive Summary The Huawei E303 is a popular 3G USB modem (often labeled a "data card" or "dongle") released around 2011–2013. It supports HSPA+ (21.6 Mbps downlink) and is primarily used for mobile broadband connectivity. The driver situation for the E303 is unique because the device uses Zero-CD (or "mode-switching") technology: it initially appears as a virtual CD-ROM containing drivers and a connection manager (Mobile Partner), then switches to modem mode once drivers are installed.
This report covers driver availability, installation procedures, operating system compatibility, and common troubleshooting issues. | Specification | Details | |---------------|---------| | Model | Huawei E303 (variants: E303s-2, E303f, E303c) | | Form factor | USB 2.0 stick, swivel connector | | Max speed | 21.6 Mbps down, 5.76 Mbps up (HSPA+) | | Frequency bands | 900/2100 MHz (3G), 850/1900 optional in some variants | | Mode-switching | Yes (Zero-CD) | | Default VID/PID | 12d1:14fe (CD-ROM mode), 12d1:1506 (modem mode) | 3. Drivers by Operating System 3.1 Windows (XP, Vista, 7, 8, 10, 11) The E303 is natively supported in most modern Windows versions after driver installation.
option (kernel module) + cdc_acm or cdc_ether
Huawei_E303_Driver.zip (or part of Mobile Partner suite)
1. Executive Summary The Huawei E303 is a popular 3G USB modem (often labeled a "data card" or "dongle") released around 2011–2013. It supports HSPA+ (21.6 Mbps downlink) and is primarily used for mobile broadband connectivity. The driver situation for the E303 is unique because the device uses Zero-CD (or "mode-switching") technology: it initially appears as a virtual CD-ROM containing drivers and a connection manager (Mobile Partner), then switches to modem mode once drivers are installed.
This report covers driver availability, installation procedures, operating system compatibility, and common troubleshooting issues. | Specification | Details | |---------------|---------| | Model | Huawei E303 (variants: E303s-2, E303f, E303c) | | Form factor | USB 2.0 stick, swivel connector | | Max speed | 21.6 Mbps down, 5.76 Mbps up (HSPA+) | | Frequency bands | 900/2100 MHz (3G), 850/1900 optional in some variants | | Mode-switching | Yes (Zero-CD) | | Default VID/PID | 12d1:14fe (CD-ROM mode), 12d1:1506 (modem mode) | 3. Drivers by Operating System 3.1 Windows (XP, Vista, 7, 8, 10, 11) The E303 is natively supported in most modern Windows versions after driver installation.
option (kernel module) + cdc_acm or cdc_ether