1 of 9 Stephen Shankland/CNET
Future Firefox OS task switching
Mozilla showed off a preview of the new version of its Firefox OS mobile operating system at Mobile World Congress in Barcelona, Spain. One big change is in switching among tasks, where you can slide your finger in from the left or right edge of the screen to leaf through the apps like pages.
2 of 9 Stephen Shankland/CNET
Future Firefox OS interface
One of the biggest changes coming to Firefox OS in the next year will be a unified search mechanism that leads users to content on the phone, on the Web, or to the Web-based applications Firefox OS runs. It starts off as a small label at the top of the screen showing what app is running or Web page is open.
3 of 9 Stephen Shankland/CNET
Future Firefox OS universal search
When you pull down a little bit from the top of the universal search bar, it expands into a more spacious view into which you can type search queries. Pulling down even farther invokes a status bar -- not the Android-like notification bar in today's Firefox OS.
4 of 9 Stephen Shankland/CNET
Firefox OS will predict what letter you're likely to type next and make the tap target for that letter larger -- invisibly -- to try to improve typing accuracy.
5 of 9 Stephen Shankland/CNET
Future Firefox OS: Notifications from the bottom
The notifications screen now is reached by dragging up from the bottom of the screen.
6 of 9 Stephen Shankland/CNET
Firefox OS multitasking options
A long-distance pull down from the top of the screen shows tasks if you want to switch from one app to another. It can also be reached with a long press on the home button, a feature in today's Firefox OS.
7 of 9 Stephen Shankland/CNET
Future Firefox OS spacious layout
Firefox OS will get a more spacious layout, and icons shift away from pictures and toward illustrations instead.
8 of 9 Stephen Shankland/CNET
Future Firefox OS messaging app
The top of the new user interface tells you what app you're using. You can tap on the text to change to a new app or to search.
9 of 9 Stephen Shankland/CNET
Firefox OS 1.3
Firefox OS 1.3, though not as radical a change in interface functioning, is due in a few weeks.