News of Note—BlackBerry’s partnership with Microsoft, AT&T’s deal with Costco, the Essential Phone and more

Here are the other stories we’re following today:

> BlackBerry and Microsoft announced a new partnership that will see the two deliver mobile software and services to businesses customers. Phone Scoop article

> BlackBerry's hope to squash a lawsuit has been dashed by a U.S. judge who says the legal proceedings can move forward. Phone Scoop article

> AT&T is teaming up with Costco to offer a deal on the Samsung Galaxy S9—one that costs just $320 in the end. PhoneArena.com article

> For a limited time, the Essential Phone is available at Best Buy for $450. PhoneArena.com article

> Deutsche Telekom has announced it will give customers the option to choose which apps they want to install on new Android devices. The Verge article

> T-Mobile is celebrating MLB’s opening day by offering a free year’s subscription of MLB.TV and MLB At Bat Premium. Release