we are very sorry to hear the issue you faced.
is there anything we can help you with now?
we are surely willing to make the impossible to please our customers Smiling_Face
Hello there, Battery percentage may vary according to the usage (internet, call, video playback, etc..). However, if you feel that the device battery drains quickly when no function is used, please send the device to one of the service centres to discover and fix the problem. www.samsung.com/sa/support/servicelocation/.