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Aaditya4u
Asteroid

Samsung note 9 Battery drain issue

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My battery drains faster than it should. Lasts only 14 hours after fully charged. Bought from tmobile store  did cleaning cache and reset but still same issue I facing. If anyone knows please help.

<a href="https://ibb.co/kj7h4z"><img src="https://preview.ibb.co/jMypjz/Screenshot_20180921_205020_Settings.jpg" alt="Screenshot_20180921_205020_Settings" border="0"></a>
<a href="https://ibb.co/hsWs4z"><img src="https://preview.ibb.co/h0Eqre/Screenshot_20180921_205025_Settings.jpg" alt="Screenshot_20180921_205025_Settings" border="0"></a>
1 SOLUTION

Accepted Solutions
Aaditya4u
Asteroid

Re: Samsung note 9 Battery drain issue

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Turned out McAfee antivirus is draining battery. I tuned off and my battery lasts for 22 hrs now.

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93 REPLIES 93
KushDaddy420
Constellation

Re: Samsung note 9 Battery drain issue

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Same here with sprint model. With wifi, bluetooth, locations, sync and basically everything off.

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user36CaIHevCx
Astronaut

Re: Samsung note 9 Battery drain issue

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my note 9 is giving me SOT of 3hr only, mainly the battery drains on standby, my usage involves WhatsApp, emails and calling although wifi, location and cellular data is always on.

 

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userx3NQz49N94
Constellation

Re: Samsung note 9 Battery drain issue

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Hi, I have been experiencing same issue after updating to One UI in my S9+, I tried many solutions from the web, but noen of them worked. So what I did is just backed up my data and factory reset my phone, and after taht everything is back to normal--my phone is back to life again with same battery history usage as usual....So what I realised the problem is, that imagine a 1960s car which you put a new set of All terrain tires, but no balance them at all, the car wont be as good as before, in fact will be worst than prior to install the new tires. After you balence the tires, the car should run smothly as new, the same happens with the phone, after the new operating system update, you need to Reset the phone as factory new, then everything will be alright. Hope it helps your problem.

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uservUGlc9WAOv
Constellation

Re: Samsung note 9 Battery drain issue

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Download thr Power battery app on Google Play store and enable all permissions. Went from having 12 hrs of battery time, to 31 hrs on average it is a blessing and helps keep the phone clean and cool

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userAg6WitffA7
Asteroid

Re: Samsung note 9 Battery drain issue

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For some odd reason At&t called me to ask if I have been having internet connection problems in my area. Long story short I told them about the battery drain issue. They ran some tests and said it had to be a bad battery that was causing the drain. They overnighted me a new phone. I made a new gmail when booting up this phone and didn't just re-upload everything from the previous one. The battery still drains fast. I sat both phone next to each other. With no activity my old one dropped almost 30% in 2 hours. The new one only 17%. I have currently had the phone off the charger for 2 hours right now and its dropped 11%. Better than before but no where near what they say. I have it in power save mode, I have the always on Display off. I have refarined from downloading any social media apps. I think it was some major false advertising saying the battery lasts as long as it does, which is the only reason I chose this phone.  But at least its not going down as fast as before. 

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userGFov7Ck7e5
Constellation

Re: Samsung note 9 Battery drain issue

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How'd u fix it?

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Highlighted

Re: Samsung note 9 Battery drain issue

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My Note 9 is doing fine but some of my friends have reported that there Note 9 drains super fast and it doesn't even last a day they have sent me the screenshots and boi the battery life is horrible.

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darylbot
Constellation

Re: Samsung note 9 Battery drain issue

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my note9 does the same. only 14h and the battery is already drained. i ong usw spotify and data. i even try to optimize. i don't know what to do anymore.

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usera23tC4CFbZ
Constellation

Re: Samsung note 9 Battery drain issue

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Mine used to last for two and a half days and that's worth quite a bit of use, but after the new security patch I don't even get 7 hours

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