Original topic:

[Galaxy S25 Series] How to fix Knox Matrix draining battery and overheating phone

(Topic created: a month ago)
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Galaxy S25
Knox Matrix is draining the battery and overheating the phone. Impossible to work that way. I hope that Samsung publish an update soon to fix this. I'm concerned that the battery can start expanding or leaking because it is to hot and i need to keep the phone charging to go thru my work shift. Really bad situation...
 
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userYFupF6WhyN
Asteroid
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Galaxy S25

My battery has gone down since a recent update too. If you search for "battery drain" you'll see tons of posts

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huskermania99
Asteroid
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Galaxy S25
I thought it was software related after doing tons of research. The bulging battery tonight says otherwise lol
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userYFupF6WhyN
Asteroid
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Galaxy S25

Holy cow!! That's crazy. My phone has been getting warm as well and now I'm worried.

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huskermania99
Asteroid
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Galaxy S25
I haven't even noticed extra warmth thats out of the ordinary. Ive never had this happen, my device is only 2 and a half years old. Hoping its just im unlucky and a replacement will solve it. If its software that caused it im not sure I'll stay with Samsung if its a cross generation issue
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bryanvfxx
Constellation
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Galaxy S25

Hi everyone,
I recently noticed my Samsung phone battery drains faster than expected, especially when Iโ€™m not using it much.
Does anyone have tips on settings or features I should turn off to improve battery life?
Thanks in advance!

MrGhoul
Neutron Star
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Galaxy S25
You could utilize the "device care" app and when opened select "battery" option > enable "power saving" by tapping the toggle on > you can also enable "adaptive power saving" that will turn power saving on / off automatically based on your usage patterns.

Also put apps to deep sleep that you rarely use by selecting "background usage limits" under the battery option.

Uninstall apps you will not use as these use background resources.
batterylife
Cosmic Ray
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Galaxy S25
There's nothing you can do until they release the update for battery fix. I've heard 8.5 supposed to fix it but they are gatekeeping the update for older phones right now.
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Robin621k
Honored Contributor
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Galaxy S25
๐Ÿ˜‚๐Ÿ˜‚๐Ÿ˜‚๐Ÿ˜‚
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AAbbott
Halo
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Galaxy S25

Check your battery usage statistics and see if anything is chewing up a large portion of the battery.  If an app at the top of the list is showing a high battery percentage and you were not using it, put that app to sleep.  Screen on time greatly affects battery use, so if the screen is on for long periods of time, the battery will discharge faster.  The brightness of your screen is also a factor, so make sure to either turn on adaptive brightness or lower the brightness to where you can comfortably see the screen in a bright room.  If you use the AOD, either turn it off or use one of the power saving options: tap to show, auto, as scheduled, or for new notifications. 

 

If your phone is an older model, the battery is old, has had more use and charge cycles and would be deteriorated, so your battery could just be nearing the end of its useful life.  It's at this point the battery discharges more rapidly.

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Robin621k
Honored Contributor
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Galaxy S25
Telling us what model year you have would be more helpful.