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Galaxy S24 Battery drain during sleep without apps open or connections

(Topic created on: 2 weeks ago)
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RedPizzaHead
First Poster
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Hi all,

I've bought this phone at the end of 2024 so I've had it less than a year. Since March this year I've been noticing significant battery drain (20 - 40%) during the night.

Last night I charged my phone til 78%, took it off the charger, closed all apps, turned off WiFi and 5G, no AOD, and the battery drained 38% while idle on my nightstand with no app usage noted where I clearly see battery drain. Lately the scale on the right has moved from 0 - 10% to 0 - 20%...

I notice that putting my phone in airplane mode negates this drain but what use is a phone if I can't use it as a phone. I already sent it in for repair but got a report stating that the issue could not be replicated.

I switched from a physical SIM to an eSIM but that had no effect.

If anybody has any idea what could be wrong with my phone, please help me, because I am on the verge of selling it and getting a different device.

(I have more pictures as 'proof' if needed)
WhatsApp Image 2025-07-02 at 08.32.37.jpeg

3 REPLIES 3
Piper123
Samsung Members Star ★
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Hey there are welcome to the Samsung UK and EU Community Forum

Please follow these instructions exactly as written
I am not employed by Samsung nor do I receive any remuneration as a Samsung Members Star.

My device is an S25 Ultra.
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Piper123
Samsung Members Star ★
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First, turn off Auto Blocker then follow these instructions EXACTLY as written

Using the Samsung Phone App (not the Google one)

Dial *#9900# then scroll down to battery stats reset. Click then restart your phone.

Turn Auto Blocker back on

Restart device

Wait 14 days for battery optimisation to complete.

Credits to @Moiramon and @lminvti for this information from previous threads
I am not employed by Samsung nor do I receive any remuneration as a Samsung Members Star.

My device is an S25 Ultra.
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SRK-HD
Navigator
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Lol, this june update also affected my s24 ultra

Same situation, but I'll definitely use mine before it gets drained

My app uses only about 25% of my battery, while the leftover 75% goes to an unknown realm😂😂
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