12d1:1c20 — R205 Mobile WiFi (Charging)

This is the USB identifier for a R205 Mobile WiFi (Charging) manufactured by Huawei Technologies Co., Ltd.. The vendor ID 12d1 is registered to Huawei Technologies Co., Ltd. with the USB Implementers Forum, and 1c20 is the product ID that Huawei Technologies Co., Ltd. assigned to this particular model. When you run lsusb on Linux, this device appears as 12d1:1c20 Huawei Technologies Co., Ltd. R205 Mobile WiFi (Charging).

Linux

$ lsusb
Bus 001 Device 004: ID 12d1:1c20 Huawei Technologies Co., Ltd. R205 Mobile WiFi (Charging)

You can filter directly with lsusb -d 12d1:1c20, or get the full descriptor dump with lsusb -v -d 12d1:1c20. Kernel messages from dmesg show the same pair as idVendor=12d1, idProduct=1c20.

Windows

In Device Manager, open the device, go to Details → Hardware Ids. This device reports:

USB\VID_12D1&PID_1C20
USB\VID_12D1&PID_1C20&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_12D1&PID_1C20"

macOS

$ system_profiler SPUSBDataType
    R205 Mobile WiFi (Charging):
      Product ID: 0x1c20
      Vendor ID: 0x12d1  (Huawei Technologies Co., Ltd.)

Having driver issues with this device? Most USB devices are handled by a generic class driver; if yours shows up as an unknown device, confirm the ID above first, then check the manufacturer's downloads page.

The exact lines this page is generated from, in the upstream source file:

12d1  Huawei Technologies Co., Ltd.
	1c20  R205 Mobile WiFi (Charging)

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