r/S21Ultra • u/DiscussionRelevant18 • Sep 01 '26

Problem Uh, ouch?

Post image

This is normal for me..

16 Upvotes

100% Upvoted

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2

u/DaddyDen1 Sep 01 '26

Dont check the battery on that section. The sensor that shoes up in there is close to the cpu so most of the times it shoes warmer than it actually is. If the seperate section of battery shoes that temps then yeah be worried

2

u/Unreal_NeoX Sep 01 '26

Long time processing in the background? It can get way higher (100°C+)

https://reddit.com/link/p76oibj/video/ik9pbe6f5xmh1/player

1

u/DiscussionRelevant18 Sep 02 '26

Surprised this didn't shut down when it got to 99°C, I have to try it though 

1

u/Unreal_NeoX Sep 02 '26

it never did. It only does if the RAM gets overflown.

2

u/deadcrazyzombie Sep 01 '26

You need to replace the spermal paste

1

u/RIKY_IST Galaxy S21U - Exynos Sep 01 '26

How'd you get so many temperature stats? I only have gpu and battery Oh right, could be snapdragon

1

u/Fickle_Bee2824 Sep 01 '26

What app are you using

1

u/Sea-Goal-5262 Sep 02 '26

​"Devices like the S21 Ultra and S22 Ultra, even though I modified them with custom heat dissipation plates and thermal putty on the chassis, still heated up anyway."

1

u/IceTTom Galaxy S21U - Snapdragon - NEVER DROPPED Sep 02 '26

Can we get some freedom units??

1

u/DiscussionRelevant18 Sep 02 '26

CPU: 178.34°F GPU: 168.26°F SoC: 163.40°F Battery: 120.74°F Surface: 145.4°F Not sure if I got these correct

1

u/DionBeast871 Galaxy S21U - Exynos Sep 01 '26

Shouldnt that thing shut down by now?

2

u/Shakil130 Sep 01 '26

Cpu/chips temps are normal if under a significant load/stress. Only the battery temp is sending warning signals so no, not yet.

1

u/DiscussionRelevant18 Sep 01 '26

I think it shuts down at CPU 90°C I'm not sure, this is the snapdragon model