How to enable NavBar for Gionee Elife E7
same as Nexus NavBar or LG G NavBar...
Root Explorer-style file manager and enter the System folder
If the system R / O if the R / W structure (you can see the video)
Build.prop file by holding down the select View as Text (edit)
Write to the bottom of the page and save and exit qemu.hw.mainkeys=0
Phone restart
But you use different launcher
and camera app crashed