Company courts handset makers to get more orders for front-facing camera sensors, used to take selfies.
Move could augment Yahoo's still-waning position in the mobile advertising market.
Industry analysts have long hailed the explosive growth of mobile telecoms in sub-Saharan Africa.
Results cast doubt on the smartphone leader's strategy against cheaper Chinese rivals.
Feature is a method of making a handset completely useless if it is stolen, rendering a theft pointless.
Apps will allow parents to remotely block access to their children's smartphones and tablets.
Company will launch its first smartphone powered by the open-source software in Q3 in Russia.
California jury had ordered Samsung to pay Apple $119M in damages for infringing two of its patents.
Slate will have dual cameras and infrared depth sensors for 3D imaging, reports say.
The two tech giants agreed to settle all patent litigation smartphone technology.
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