User Activity

my mobile s7edge battery discharging rapidly and charging also not quick .pl.provide solution. even it is discharging faster in MID mode.
Why edge lighting with different colours for different contacts was removed.preoviously it is there and it is very useful.pl.restore it
today my samsung edge s7 got up date around 300 mb . in this regard let me know the enhanced features in this up date pl.
when the s7 edge gets software up date Oreo. pl.
Pl. provide the information how to move images/audio/video etc. to external USB which is connected to the s7 edge Mobile through USB port.