1527:0201 — YAP Phone

This is the USB identifier for a YAP Phone manufactured by Silicon Portals. The vendor ID 1527 is registered to Silicon Portals with the USB Implementers Forum, and 0201 is the product ID that Silicon Portals assigned to this particular model. When you run lsusb on Linux, this device appears as 1527:0201 Silicon Portals YAP Phone.

Linux

$ lsusb
Bus 001 Device 004: ID 1527:0201 Silicon Portals YAP Phone

You can filter directly with lsusb -d 1527:0201, or get the full descriptor dump with lsusb -v -d 1527:0201. Kernel messages from dmesg show the same pair as idVendor=1527, idProduct=0201.

Windows

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

USB\VID_1527&PID_0201
USB\VID_1527&PID_0201&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_1527&PID_0201"

macOS

$ system_profiler SPUSBDataType
    YAP Phone:
      Product ID: 0x0201
      Vendor ID: 0x1527  (Silicon Portals)

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:

1527  Silicon Portals
	0201  YAP Phone

• 1527:0200 YAP Phone (no firmware)

See all 2 devices from Silicon Portals →