OnePlus 15 Overheating Problem: Why It Happens and How to Fix It

 


If you own a OnePlus 15 and notice it getting uncomfortably hot, you are not alone. Since the launch of this flagship device, overheating has been one of the most talked-about complaints among users worldwide — especially gamers and power users who push the phone to its limits.

The good news? Most of these issues have real fixes. In this article, we will explain exactly why the OnePlus 15 overheats and give you practical steps to cool it down.

Is the OnePlus 15 Overheating Problem Real?

Yes, it is real — but there is important context to understand.

The OnePlus 15 packs the Snapdragon 8 Elite Gen 5 processor, one of the most powerful mobile chips available in 2026. A chip this powerful draws high wattage during intensive tasks, and that generates serious heat. Early testing showed the phone reaching temperatures above 50°C during benchmarking and heavy gaming sessions.

What made it worse initially was the software. Early firmware builds had thermal tuning bugs that caused the phone to heat up even during light everyday tasks. OnePlus has since pushed several updates that largely resolved those early issues — but the phone can still get hot under certain conditions.

Let us go through each cause and its fix.

1. The Snapdragon 8 Elite Gen 5 Processor

Why it happens:

The Snapdragon 8 Elite Gen 5 is an incredibly powerful chip, but power comes with heat. During graphically intensive tasks like 3D gaming, benchmarking, or 8K video recording.,the chip draws high wattage and heats up quickly. In stress tests, the OnePlus 15 reached over 52°C — higher than most other phones running the same chip.

How to fix it:

  • Avoid running extreme benchmarks or 8K video recording for extended periods. 
  • Inside your Game Assistant menu, switch performance mode from Balance to Power Saving during long gaming sessions. 
  • Lower your in-game graphic settings and use standard refresh rates instead of 165Hz.
Want smoother gaming overall? Read our guide on How to Increase FPS on Android Games (No Root Needed) for tips that work on any Android phone.


2. 120W Fast Charging

Why it happens:

Pushing massive amounts of power into the battery this quickly generates significant heat — especially if you are using the phone at the same time. Charging and gaming together is one of the worst combinations for temperature on the OnePlus 15.

How to fix it:

  • Go to Settings > Battery > Battery Health and disable Smart Rapid Charging when you are not in a hurry. 
  • If you must game while plugged in, open your Gaming Center and enable Bypass Charging — this sends power directly to the motherboard instead of the battery, drastically reducing heat. 

 If your Android phone gets hot during charging in general, read our detailed guide on Why Does My Android Phone Get Hot While Charging?

 Want to take better control of your battery overall? Check out our guide on the Best High-End Battery Saving Apps for Android in 2026 for apps that actually help.

3. Background Processes

Why it happens:

Unoptimized apps or new device setup periods can keep the CPU running continuously in the background without you realizing it. This silent activity builds up heat over time even when the screen looks idle.

How to fix it:

  • Go to Battery Settings and disable High Performance Mode. 
  • Uninstall or restrict background data for apps you do not frequently use. 
  • After setting up a new device, give it 24–48 hours to settle before judging its heat levels — initial indexing and syncing is normal. 
Is your Android phone also freezing along with overheating? Read our article on Why Does My Android Phone Keep Freezing? for related fixes.

4. Early Software Tuning Bugs

Why it happens:

When the OnePlus 15 first launched, the thermal management software was not perfectly calibrated. This caused the phone to mismanage heat profiles, making it run hot even during simple tasks like scrolling or watching videos.

How to fix it:

  • This is the most important fix of all — go to Settings > System > System Updates and install the latest firmware immediately. 
  • OnePlus has released multiple thermal tuning patches since launch. Keeping your software updated is the single biggest improvement you can make. 
Software bugs can cause more than just overheating — if your Samsung screen is also acting up, read our guide on Samsung Screen Flickering? 8 Fixes That Actually Work.

5. The "Sand Storm" Back Cover

Why it happens:

Users have noticed that the textured fiberglass back on the Sand Storm color variant retains heat slightly more than the glass versions. The material does not dissipate heat as efficiently, so the phone feels warmer in hand even at normal temperatures.

How to fix it:

  • Remove your phone case during heavy gaming or charging sessions to allow heat to escape freely. 
  • Keep the phone out of direct sunlight. 
  • Always use the official OnePlus charger — third-party chargers generate extra heat and are harder on the battery long term. 

What OnePlus Says About It

OnePlus has stated that everyday usage, multitasking, and even gaming stay within normal thermal parameters for most users. The company argues that extreme stress test results do not reflect real-world use.

However, the complaints from power users — especially heavy gamers and video creators — are genuine. OnePlus acknowledged the issue indirectly by pushing multiple firmware updates focused on thermal management shortly after launch.

Should You Still Buy the OnePlus 15?

If you are a regular user — calling, browsing, social media, casual gaming — the overheating issue is unlikely to bother you much, especially with the latest software updates installed.

If you are a heavy gamer or someone who records long videos, you will need to actively manage your settings using the fixes above. The OnePlus 15 is still a very powerful flagship, hugely popular in Pakistan and India. Just go in with the right expectations and keep your software updated.


Frequently Asked Questions

Q. 1: Is the OnePlus 15 overheating problem fixed now?

Yes, OnePlus released several firmware updates that largely resolved the early thermal issues. Make sure your software is up to date.

Q. 2: What temperature is too hot for OnePlus 15?

Above 45°C during normal use is concerning. During gaming or charging, up to 50°C is expected. Above 52°C the phone will automatically throttle performance to protect itself.

Q. 3: Does OnePlus 15 overheat during normal use?

No. For regular tasks like calling, browsing, and social media, most users do not experience overheating after the latest updates.

Q. 4: Will overheating damage my OnePlus 15?

The phone has built-in thermal protection that throttles the processor before any damage occurs. However, regularly pushing it to extreme temperatures can affect battery health over time.

Q. 5: Does the phone case make OnePlus 15 hotter?

Yes. Thick cases trap heat. Remove your case during gaming or long charging sessions.

Final Thoughts

The OnePlus 15 overheating problem is real but manageable. Now that you know exactly what causes each issue and how to fix it, you can enjoy this powerful phone without unnecessary frustration.

Have you experienced overheating on your OnePlus 15? Which fix worked best for you? Share your experience in the comments below.

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