https://youtu.be/IeCEyo_VCeE

go to setting and application and go to touchwiz app and unistall updates

this is like screen guard.. very very smooth .. available for front and back for s7 edge

you want to use jio4gvoice .

dear frinds .. the volte fiture is only for indian version like g935fd ..from outdoor seller give g35f mean the global version .. the global version not support volte .. in about device it can be fake . for chack phone version go into downloading mod...