Apple Music has 15M subscribers; Altair's CAT-4 chip is powering the Novatel MiFi Dragon

More wireless news from across the Web:

> Apple CEO Tim Cook said he opposes back doors in data encryption for intelligence agencies. Bloomberg article

> Apple said Apple Music has 15 million subscribers, including 6.5 million paying subscribers. Wall Street Journal article (sub. req.)

> Sprint's Virgin Mobile brand launched three new smartphones for under $150. Post

> T-Mobile's is quietly launching more LTE Band 12 sites. TMoNews article

> Verizon Wireless is enabling Samsung Pay using a software update on the Samsung Galaxy S6, S6 Edge, Note 5 and S6 Edge+. PhoneScoop article

> Google purchased a minority stake in Beijing-based Mobvoi, an artificial intelligence firm. Reuters article

> Kyocera's new waterproof smartphone, the Hydro Air, will be sold through AT&T's prepaid GoPhone service. PhoneScoop article

> Altair Semiconductor said its FourGee-3800/6300 Cat-4 chip is powering Novatel's MiFi Dragon personal hotspot. Release

Mobile Developer News

> Roblox offers a platform that hosts games in a cloud computing environment and then streams them to various devices. FierceDeveloper talked with Roblox's CEO. Hot Seat

> Why mobile game developers ignore Kayne West's criticism at their peril. Commentary

Telecom News

> Verizon will have 70 percent of its footprint covered with FiOS. Article

> USA Fiber has established a new dark fiber route connecting the coveted Ashburn, Va.-to-Baltimore route by crossing the Potomac River. Article

Cable News

> Comcast and perhaps Time Warner Cable, Bright House Networks and Cox Communications may be preparing to execute on their MVNO deals with Verizon. Article

> Tribune Media has posted what it terms as a "final notice" to AT&T U-verse subscribers on its station websites, informing them that the group's 24 stations will go dark on the operator's program grid starting at 5 p.m. EST Tuesday without a new broadband transmission deal. Article

And finally… Activision is teaming up with T-Mobile to bring Guitar Hero Live to mobile phones. Article