WP8.1 change: Hardware no Back key

"Sohu It News" October 9, according to foreign reports, Microsoft will launch the Windows Phone 8.1 operating system in early 2014, the new system will remove the hardware back button. In general, the back button allows mobile phone users to return to other programs, but most users use the Start button to navigate to the main screen, and then choose another program. In addition, WP also use the Back button to enter the multitasking user interface, if WP 8.1 no longer support the back button, it is not clear how users operate multitasking. The source said WP 8.1 would also improve the multitasking features of background processes and notifications. In the past WP, the operating system for the notification of insufficient support, WP 8.1 may increase the notification Center (Notification centre). WP 8.1 also has an improvement: it will support the largest 10-inch screen. Currently, Microsoft is preparing to launch GDR3 (general distribution Release 3), which can support 5-inch and 6-inch screens. WP 8.1 will further expand the supported screen size to 7-inch and 10-inch. Microsoft used Windows 8 and Windows RT to populate 7-inch and above-sized screens. Microsoft is also ready to allow the program to adopt a universal binary, so that developers only develop a program, you can run it at the same time on win RT and WP. Previous Microsoft executives have hinted that WP and WIN RT will be merged, WP 8.1 is in this direction a step forward.