Dish steps up campaign against SoftBank/Sprint deal; PTel to launch SIM-based tablet data plan

Quick news from around the Web.

@FierceWireless: RT@FierceMobiCo: Boost Mobile launches Android-based mobile wallet. Article | Follow@FierceWireless

> Dish Network stepped up its campaign to scuttle SoftBank's acquisition of Sprint Nextel. Article (sub. req.)

> T-Mobile US MVNO PTel Mobile plans to launch a tablet-focused, SIM-based data plan sometime this year. Article

> Public safety experts debated next-gen 911 and other issues in wake of the Oklahoma tornado devastation. Article

> 4G World in 2014 will co-locate with CTIA's "Super Mobility Week." Release

> Clearwire's board approved Sprint's improved offer for the company. Release  Shareholders will now vote on whether to approve Sprint's offer on May 31. Release

> Sprint will launch tri-band LTE devices this summer. Release

> Wireless infrastructure provider Goodman Networks is expanding into the pay TV business, striking a deal to buy DirecTV installer Multiband Corp. for $116 million in cash. Article

> Nvidia's updated Tegra 4i chip supports LTE speeds of up to 150 Mbps. Article

>  Vodafone CEO Vittorio Colao said he is happy with the company's position holding a 45 percent stake of Verizon Wireless. Article

> Samsung Electronics bought a 10 percent stake in handset maker Pantech. Article

Former BlackBerry co-CEO Mike Lazaridis said that consumers will embrace Blackberry Messenger on other platforms. Article

> Bullitt Mobile, global licensee of Cat phones for Caterpillar Inc., introduced the new Cat B15 smartphone in North America. Release

> Huawei signed M2M distribution deals with Embedded Works Release and Numerex. Release

> TeleCommunication Systems announced that its TCS Voice over LTE 911 service is first into production with Tier 1 wireless carriers, including two of the largest North American operators. Release

> Apple CEO Tim Cook defended the company's tax practices at a hearing before Congress. Article

> Sony to assess spin-off plan for its entertainment division and cut long-term sales targets for cameras and smartphones. Article

> Boost Mobile launched an Android-based mobile wallet service powered by Wipit that will let consumers load cash, pay their bills, top-up their account, transfer funds and send money to other countries. Article

> Kyocera announced new phones under its Hydro brand. Article

> Boost Mobile and Virgin Mobile will get the Samsung Galaxy S III. Article

> Vodafone is delaying its LTE launch in the UK until September. Article

Mobile Content News

> Could Yahoo's Tumblr acquisition be the next Instagram? Editor's Corner

> Pandora is extending its partnership with Facebook with the launch of its new Timeline App, which allows registered users to publish their music listening activity to their Facebook Timeline. Article

> Seventy-two percent of U.S. users now use multiple messaging systems on a daily basis, according to a new report from Acision. However, while alternatives to SMS like IM and over-the-top mobile messaging services are gaining ground, 72 percent of users are still dependent on SMS. Article

> AT&T introduced AdWorks Blueprint, an audience-targeting initiative that combines anonymous data from the operator's mobile, online and TV users with insights from third-party data providers to help advertisers deliver more relevant messages. Article

> Apple's forthcoming iOS 7 overhaul will reportedly integrate third-party social networking services including Flickr and Vimeo, mirroring efforts to bake Facebook and Twitter into previous versions of the mobile operating system. Article

And finally... Check out Amazon's plans for its new "sphere" campus. Article