An unknown symbol in notification panel.Any one known that symbol?What is it mean by?How to fix it?

How to root J7Prime, I am got more than method from youtube and xda developers page but that can't work for J7Prime 01/06/18 Security Patch with baseband version G610FDDU1BRF2 and Android version Nought 7.0. most of the root method for J7Prime 01/08/...

My Samsung device SM-G610F is running on official samsung software but I am facing Error in Knox,Security Folder,Samsung Pay mini,Samsung Health. They are saying am using a rooted device/Unauthorised software.WHY????????????Product Name: SM-G610FCurr...

My phone has incorrectly restarted some time during App installing, Play games, Apps loading/opening time . A log will be sent to Samsung to help improve my phone's performance. But no improvements are found.

Error Find In Samsung pay mini and S Health, l am install TWRP recovery in past but now I am in samsung official stock rom will be the Knox service is cannot enable. Please help me to fix it.