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.
Renee Rankin2025-09-23Trustindex verifies that the original source of the review is Google. Absolutely friendly and fast service. Their prices are definitely better than any other place I called. They also had the part in that I needed. They had my kids phone fixed in 20 mins. Thank you again Feleisha Turner2025-09-20Trustindex verifies that the original source of the review is Google. The guys was so nice and respectful, and had our gaming system done within an hour, and the price was reasonable Brooke Wyman2025-09-19Trustindex verifies that the original source of the review is Google. Quick repair of PS5! Within an hour and a half!! Highly recommend ! Josh Dyke2025-09-19Trustindex verifies that the original source of the review is Google. Excellent quick service! jeremiah rimer2025-09-18Trustindex verifies that the original source of the review is Google. They are cheap and communicate with you. The atmosphere is really relax. They finish all 3 phones within 30 minutes. Definitely one of the best tech places I’ve been to. Keefer Wyatt2025-09-18Trustindex verifies that the original source of the review is Google. They do a great job, and are super friendly. I’ve been going here since before they moved locations
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.