iPhone 5 reportedly set to launch Sept. 21; NTCH complains of Verizon roaming rates

Quick news from around the Web.

@FierceWireless: RT@engadgetmobile: RIM promotes UK and Ireland head in preparation for BlackBerry 10. Article | [email protected]

> The University of Michigan launched a test for Wi-Fi cars. Article

> U.S. Cellular said it will offer the Samsung Galaxy Metrix 4G LTE smartphone for $179 after rebates. Release

> Sprint Nextel expanded its LTE network to Baltimore. Article

> A reportedly Verizon vacation freeze points to a Sept. 21 launch of the next iPhone. Article

> The U.S. International Trade Commission is investigating Amazon, Samsung and others for potential patent infringement. Article

> NTCH said Verizon Wireless is not offering suitable roaming rates. FCC filing

> AT&T Mobility's systems in Oakland, Calif., were found to be interfering with police officers' communications. Article

> Bill Gates is one of a number of investors pumping $12 million into Kymeta, which hopes to offer satellite-based mobile broadband services. Article

> Alcatel-Lucent and Qualcomm are facing claims by TruePosition that they blocked access to next-generation location technology. Article

> Apple and Foxconn have reportedly improved conditions at manufacturing plants. Article

Mobile Content News

> Windows 8 and Windows Phone 8 will support the Unity video game engine. Article

> Google is rolling out Google Play gift cards to retail partners including Target, RadioShack and GameStop. Article

> NeoMedia granted Microsoft global non-exclusive rights to its patent portfolio, which includes more than 74 patents pertaining to mobile barcodes management. Article

And finally… Apple's leaked promo video for the iPhone 5. Video