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.
Now up for preorder, the 4G LTE hotspot is an upgrade over the previous device, which used Sprint's 4G WiMAX network.
Apple and Samsung will account for almost half of those shipments, but vendors in emerging regions will increasingly move the market, says research firm Juniper Research.
With the new iPhones not yet available in China, individuals are scooping them up through other sources and then reselling them at high prices, says Bloomberg.
The new Android One phones may cost just $100, but there are cheaper phones in the market that are equally competitive and offer similar value.
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.
An apparent leak of what Microsoft may distribute as its Windows Threshold Enterprise Tech Preview offers a snapshot of the next version of Windows.