T-Mobile USA details HSPA+21 upgrade markets; HTC outlines Ice Cream Sandwich upgrades

Quick news from around the Web.

@FierceWireless: "@IntoMobile: Samsung's Galaxy S III is done, in production, and set to be the best Galaxy yet. Article" | Follow@FierceWireless

> T-Mobile USA said it expanded its HSPA+21 Mbps network to new markets, and that it now covers a total of 225 markets and 200 million people with the network. Article

> Samsung is reportedly the sole supplier of the iPad's Retina Display. Article

> Huawei could be hampered by a young and inexperienced workforce. Article

> Some critics are calling for AT&T to split up the role of CEO and chairman. Post

> Motorola Solutions' Greg Brown saw his salary more than double from 2010 to 2011. Article

> Apple reportedly was subpoenaed by the Federal Trade Commission as part of an investigation into Google's Internet search business. Article

> Apple's TV will reportedly ship in the fourth quarter. Article

> Apple's share of the tablet market fell to 54.7 percent after the launch of the Kindle Fire, according to IDC. Article

> European regulators are investigating possible collusion among carriers there. Article

Mobile Content News

> Digital music service Turntable.fm has completed licensing deals with all four major record labels, vaulting the startup out of legal limbo and setting the stage for international expansion. Article

> HTC will update 16 smartphones to run Google's Android 4.0 mobile operating system. Article

> A new class action lawsuit alleges that popular mobile applications like Facebook, Twitter and Instagram routinely steal address book data including names, phone numbers, email addresses, job titles and birthdays without consumer knowledge or consent. Article

And finally... Set your clocks: 8 a.m. this Friday. Article