T-Mobile blasts back against AT&T in latest ad; DOJ approves MetroPCS, T-Mobile merger

Quick news from around the Web.

@FierceWireless: Via @WSJ: China Criticizes Android's Dominance. Article | Follow@FierceWireless

> Sprint Nextel said it will offer voice and text messaging usage alerts. Release

> T-Mobile USA fought back against AT&T Mobility with another ad blasting the carrier. Article

> The U.S. Department of Justice said it has no objections to the merger between MetroPCS and T-Mobile. Article

> New legislation would legalize cell phone unlocking. Article

> Apple is rumored to have begun production on the iPhone 5S. Article

> Sprint Nextel scored a $2.8 billion credit line. Article

> China could issue 4G licenses this year. Article

> Nokia's Lumia 720 is passing through the FCC. Article

> Sprint Nextel said its MVNOs can now activate old Sprint phones. Article

> The iPhone 5 is landing at Strata Networks, which provides service in Utah, Colorado and elsewhere. Article

> The Wi-Fi Alliance merged with the Wireless Gigabit Alliance. Article

> Samsung plans to invest around $112 million in Sharp. Article

Mobile Content News

> Apple has met with audio technology firm Beats Electronics to explore a potential partnership involving Beats' forthcoming Daisy music streaming service, Reuters reports. Article

> Google released the first major overhaul of its popular Maps application for Apple's iPhone, highlighted by new features designed to simplify local search. Article

And finally… Android 4.x has now finally passed Android Gingerbread. Article