Here is 4 drivers compatible with USB\VID_19D2&PID_FFED&MI_03.
This is Device ID of ZTE Diagnostics Port FFED.
Category:Notebooks
Manufacturer:Lenovo
Hardware:IdeaPad U550
Software name:Wide Wireless Lan Driver
Version:2.0.3.825/1.1.0.0/14.0.0.162/2.0
File Size:50.74Mb (53204136 bytes)
Released:26 Sep 2010
System:Windows Vista 64-bit
Description:Wide Wireless Lan Driver for Lenovo IdeaPad U550

Download Lenovo IdeaPad U550 Wide Wireless Lan Driver 2.0.3.825/1.1.0.0/14.0.0.162/2.0
Category:Notebooks
Manufacturer:Lenovo
Hardware:IdeaPad U550
Software name:Wide Wireless Lan Driver
Version:2.0.3.825/1.1.0.0/14.0.0.162/2.0
File Size:50.74Mb (53204136 bytes)
Released:26 Sep 2010
System:Windows Vista
Description:Wide Wireless Lan Driver for Lenovo IdeaPad U550

Download Lenovo IdeaPad U550 Wide Wireless Lan Driver 2.0.3.825/1.1.0.0/14.0.0.162/2.0
Category:Notebooks
Manufacturer:Lenovo
Hardware:B460
Software name:Wide Wireless Lan Driver
Version:4.54.7103.1/ 2.0.3.827/1.13.00/2.0.7.0/2.0.5.7/4.58.1.0
File Size:80.67Mb (84587984 bytes)
Released:11 Mar 2011
System:Windows XP
Description:Wide Wireless Lan Driver for Lenovo B460

Wide Wireless Lan Driver for Windows XP
Download Lenovo B460 Wide Wireless Lan Driver 4.54.7103.1/ 2.0.3.827/1.13.00/2.0.7.0/2.0.5.7/4.58.1.0
Category:Notebooks
Manufacturer:Lenovo
Hardware:IdeaPad U455
Software name:ZTE Wide Wireless Lan Driver
Version:2.0.5.7
File Size:1.26Mb (1323928 bytes)
Released:25 Feb 2011
System:Windows 7Windows 7 64-bit
Description:ZTE Wide Wireless Lan Driver for Lenovo IdeaPad U455

ZTE Wide Wireless Lan Driver for Windows 7 32/64bit
Installation for MC2716
Download Lenovo IdeaPad U455 ZTE Wide Wireless Lan Driver 2.0.5.7