Samsung galaxy note 3 battery drain

[AC Question]

Im using a galaxy note 3 for almost a year now. The problem is, from the past 2 months the battery backup is very low. Its going from a 100% to 1% in less than 3 hours. Even if im leaving the phone idle its discharging really fast. I have replaced the battery. But the issue stays. And i have tried to change the firmware with odin. But fails every time

 

[Tech-Newb]

Are you sure the new battery is original and OEM?

Can you post screenshots of tour battery usage stats? Does your phone heats up often?

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