Apple filed a motion with the U.S. Court of Appeals yesterday, dropping its cross-appeal of Judge Lucy Koh’s verdict in its lawsuit against Samsung, and officially ending Apple’s pursuit of a product ban for the rival company.

Researchers at Stamford University have developed new lithium-ion batteries that could triple the battery life of future smartphones. The new batteries have higher energy storage density than existing lithium-ion packs, allowing them to pack as much as three times more power inside the same space.

Popular torrent sharing network The Pirate Bay is finally easier to access on your smartphone thanks to a new mobile site. It’s almost identical to the desktop version and offers all the same features, but it is optimized for smaller displays.

Oyster, the all-you-can-read e-book subscription service that finally made its debut on Android earlier this month, is now even more accessible. From today, Oyster users can enjoy titles in a web browser on almost any device — including your Mac or PC.

BlackBerry users have been warned that calling the emergency services will not charge their phone battery after some were fooled by bogus information that was circulated online. British Police have reminded users that unnecessary calls waste resources and could put lives in danger.