If you updated your phone to one ui then you may facing problems like otg not working some apps not starting and sometimes they lags too muchSlow charging fast battery drain I have a solution for this problem You have to downgrade your phone to oreo ...

Nothing shows in file manager even opening the usb debugging 

Please add eis on j6+ and add extra features in manual mode

When i bought the Samsung Galaxy j6+ then it works fine only one week and now it lags everything i crashed When you buying a Samsung phone your money will be wasted

I can't use any app like pubg tik tok and kinemaster because it crashes every time Please help me out