Original topic:

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

(Topic created: 4 weeks 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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huskermania99
Asteroid
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Galaxy S25
The battery comes back as "good" in diagnostics. I got mine in September 2023. With it being a sudden issue, im worried about it being a software issue that replacing the battery won't fix. However open to your feedback and knowledge.
CEParsons
Honored Contributor
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Galaxy S25
Actual battery failure is notoriously difficult to accurately detect from a software standpoint. Device diagnostics can sometimes come back clean in spite of an underlying issue and aren't always the best indicator.

It could certainly be software related. Adaptive battery feature may have also reset, though I wouldn't expect that after just a security patch. Abnormal battery drain can occur in the 7-14 days following an update.

However 10% in a matter of minutes would typically indicate a hardware failure. If the issue worsens or persists beyond the recommended waiting period, service center is your best bet.
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huskermania99
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Galaxy S25
Thought I'd update you.... woke up today to the battery bulging and expanded. Going in tomorrow to have it looked at. RIP battery
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jpburnett01
Constellation
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Galaxy S25
Are there any background apps running? Also, you might want to consider one of those magnetic batteries that piggyback your phone.If you get a good one, they work pretty good as far as prolonging your charge, I know that doesn't fix your problem, but I mean it might help
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huskermania99
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Galaxy S25
I have checked everything i know with background apps and nothing seems to be out of the ordinary. I know about the current Google play bug and social media apps sucking memory and battery in the battery. I have a portable charger im using for now but magnetic is a good idea
userYFupF6WhyN
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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
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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
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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
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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!