Has your phone ever become so hot that you could barely hold it? Phone overheating is a common issue that frustrates millions of users every year. Beyond the discomfort, excess heat can damage your battery, slow performance, and even shorten the life of your device.
In this post, we’ll uncover 7 shocking reasons why phones overheat, the best fixes you can try at home, and when it’s time to get professional help from Fixit USA in Anderson or through our convenient mail-in repair services available nationwide.
1. Direct Sunlight Exposure
It might seem harmless to leave your phone on a dashboard, patio table, or by a sunny window, but direct sunlight is one of the quickest ways to overheat your device. Modern smartphones are tightly packed with components that generate heat on their own. Add the blazing sun, and your phone can quickly shut down as a safety measure.
Quick Fix: Always store your device in the shade or inside a bag when you’re outdoors. If your phone does get hot, avoid placing it in the freezer or fridge (rapid cooling can cause condensation and damage). Instead, please turn it off and let it cool naturally.
2. Heavy Gaming or Video Streaming
Mobile games and video platforms, such as YouTube or Netflix, push your phone’s processor and graphics card to their limits. The longer you play or stream, the more heat is generated.
Quick Fix: Reduce screen brightness, close background apps, and take breaks during long gaming sessions. For older phones, consider lowering the in-game graphics settings. If you’ve noticed your device’s performance dropping along with overheating, check out our guide on fast and affordable cell phone repairs in Anderson to see how Fixit USA can help restore speed and reliability.
3. Too Many Background Apps
You might not realize how many apps are running behind the scenes. Social media apps, GPS tracking, and even simple note-taking tools can quietly drain your battery and overwork your processor.
Quick Fix: Regularly close unused apps and review your settings to restrict background activity. Updating apps also ensures fewer glitches that might cause overheating.
4. Faulty or Cheap Chargers
Not all charging cables are created equal. Cheap or counterfeit chargers often lack proper voltage regulation, leading to heat buildup while charging. In some cases, they can even damage your charging port.
Quick Fix: Always use certified chargers designed for your phone’s brand. If your phone gets hot, specifically when charging, the issue could also be with the port itself.
5. Aging or Damaged Battery
Batteries naturally lose capacity over time, but when they begin to fail, overheating is one of the most obvious signs. A swollen or damaged battery is not only inconvenient but also dangerous.
Quick Fix: If you suspect battery problems, stop using the phone until it can be inspected. At Fixit USA, we specialize in safe replacements that won’t break the bank. Read more about affordable options in our post on cheap iPhone battery replacement.
6. Software or App Glitches
Sometimes, the hardware isn’t to blame. Poorly optimized apps or outdated software can force your phone to run harder than necessary, creating excess heat.
Quick Fix: Regularly update your operating system and apps. If the problem persists, consider a factory reset (after backing up your data). For serious issues, contact our technicians at Fixit USA. They can run diagnostics to spot and fix hidden software causes.
7. Internal Hardware Issues
If none of the above apply, your overheating may stem from more serious hardware failures, such as problems with the motherboard, GPU, or internal circuitry. These issues require professional tools and expertise to diagnose.
Quick Fix: Don’t attempt to open your phone at home. Bring it to Fixit USA in Anderson, or use our mail-in repair service if you’re located elsewhere in the U.S. We’ll identify the cause and provide fast, affordable solutions.

Why Choose Fixit USA for Overheating Issues?
At Fixit USA, we know how frustrating it is to deal with a phone that constantly overheats. Our team in Anderson repairs overheating devices daily, tackling everything from faulty batteries to damaged charging ports.
But we don’t just serve local customers. With our mail-in repair services, you can send your phone to us from anywhere in the United States. We’ll diagnose the issue, perform the necessary repairs, and send it back in working condition, all without you leaving home.
Whether you need a quick fix for a cracked back glass or professional help for overheating, Fixit USA has you covered.
Don’t Just Take Our Word for It
Thousands of happy customers trust us for reliable, affordable phone repairs. Check out our Google Reviews to see real feedback from people who chose Fixit USA and walked away with cool, fully functioning devices.
David Hinson2025-08-09Trustindex verifies that the original source of the review is Google. He's got going. Try it you'll be happy? Worked over to fix mine.. GnR OG Cookies2025-08-07Trustindex verifies that the original source of the review is Google. Amazing HDMI replacement good time frame aswell Shauna2025-08-07Trustindex verifies that the original source of the review is Google. They are amazing and quick Nathaniel Walls2025-08-07Trustindex verifies that the original source of the review is Google. Very quick and kind Antaria Hammond2025-08-07Trustindex verifies that the original source of the review is Google. I order wrong screen, Fixit was able to get me a screen and repair it that same day. He was very caring and willing to help. I appreciate the service that was given. He took a lot of pressure off of me of not having a phone for a few hours. Gary Agnew2025-08-06Trustindex verifies that the original source of the review is Google. These guys are the best!!! Took them less than 24 hours to fix our PS5 when others have said it would be 3 weeks! I recommend them 100%. And the best pricing! connie short2025-08-06Trustindex verifies that the original source of the review is Google. Very easy to work with and they fixed my computer. Will recommend this place Kevin Mccullough2025-08-05Trustindex verifies that the original source of the review is Google. Fast fix the people were very nice and my phone looks brand new. Big shout out to virtual for being so kind and walking me through the process
Final Thoughts
Phone overheating is more than just a minor inconvenience. It’s often a warning sign of deeper issues, from environmental factors like sunlight and gaming stress to hardware problems like bad batteries or ports. Ignoring these signs can shorten your device’s life and even lead to permanent damage.
The good news is, you don’t have to deal with it alone. If your phone keeps overheating no matter what you try, let Fixit USA help. Visit us in Anderson, call us, or take advantage of our nationwide mail-in repair service to get your device back in peak condition.