Smartphone manufacturers are making it hard to keep up to date these days: just as we’d got used to enjoying the ability to record 1080p full HD videos, the first handsets capable of recording 4K video are emerging. Google added 4K video support to Android in the latest 4.3 version.

Acer is claiming that its 6-inch Liquid S2 will be the first, though as the phone is being officially unveiled at the IFA this week, it may have company from Samsung’s new Galaxy Note – also rumored to have 4K recording on board. The Acer also won’t be available in the U.S. at launch, with the handset hitting Europe first …  expand full story