Hi ,guys i need help am using lyf wind 3 phone .from some days it drains battery very fast and when i check battery usage sometimes default camera eats upto 40 percent battery i dont even open or use phone camera and when i try to force stop it automatically starts up and keep running in background continusolly and i disable acces to camera for all apps like Instagram ,snapchat etc but still it eats battery....can anybody help me why is it running in background ,can factory data reset helps to solve this problem ??..or plz suggest any app to disable camera app as it wont disable as it is factory app