I have a problem on my Samsung Galaxy J7Nxt. When i upgrade the system on latest version Android 9 the problem is started from their. Problem is anytime ringtone volume is decreasing automatically. Every time i increase it but some time latter ringto...
you should try changing the USB charging cable with genuine Samsung usb cable and Use original charger Adapter recommended by Samsung...I faced the same problem with my unit and then i Change my usb cable.Now my phone charged 0 to 100% about 130 min....
