News of Note—T-Mobile’s website leak; Essential’s problems; Samsung’s $539M debt to Apple and more

Here are the other stories we’re tracking today:

> T-Mobile's website reportedly let anyone access the personal account details of any customer using just their cellphone number. ZDnet article

> According to one report, building owners that have leases with Sprint—and that were acquired by the new SoftBank/Lendlease joint venture—are being approached to renegotiate terms. Blog

> Apple has rejected Valve’s Steam Link iOS app due to “business conflicts.” Verge article

> A jury ruled that Samsung should pay Apple $539 million for infringing Apple’s design patents. PhoneScoop article

> Essential Products, launched by Android creator Andy Rubin, has reportedly canceled development on its second phone and is considering a sale of the company. Bloomberg article

> Despite security concerns dogging China’s ZTE and Huawei, China’s Coolpad is planning an expansion in the U.S. market. MWL article

> AT&T has hired Bala Subramanian, who previously worked at Best Buy, as its new chief digital officer, according to his LinkedIn profile. Dallas Business Journal article