Chinese officials no longer approve the use of the two antivirus software vendors, according to reports.
Samsung holds 12 percent of the Chinese smartphone market, according to Canalys, behind Xiaomi's 14 percent share.
Chip giant is showing off an even thinner version of its tablet design and announcing collaborative efforts with Acer and other device makers. Also on tap: the desktop, 2-in-1s, and a 3D camera.
The combined market share of the two companies puts them just behind Samsung and Apple, according to one analyst firm.
The software giant says it will continue to license its operating system after it buys Nokia, but its other partners aren't likely to stick around long.
The products will serve as the showcase devices for the latest version of Android, Lollipop, until now nicknamed Android "L."
Tablet vendors will be charged less to outfit their devices with Windows RT, says Bloomberg. This is designed to trigger lower prices for consumers.
Microsoft chief Satya Nadella pushes new services from the world's largest software maker. But his controversial comments on women in tech earlier this month remain a focus of attention.
A day after the search giant unveiled its latest Nexus tablets, smartphones and a streaming device, Google announces financial results for the third quarter.
Following in the footsteps of the iPhone, the new iPad Air will be available in a golden edition.