Phone overheating is one of the most common smartphone complaints in India, especially in summer and during long gaming or video sessions. A warm phone is normal, but a phone that becomes too hot to hold, slows down, dims the screen or shows a temperature warning needs attention. Excess heat also ages the battery faster. In this guide, you will learn why phones heat up, twelve practical fixes you can try today and the signs that mean a service centre visit is necessary.
Table of Contents
Why Phones Overheat
Heat comes from the processor, the battery and the radio chips. Heavy games, 4K video recording, navigation with the screen on, fast charging and weak mobile signal all make these parts work harder. Sitting in direct sunlight, keeping the phone in a thick case or using it under a pillow traps the heat. Software problems, such as an app stuck in the background or a buggy update, can also keep the processor busy even when you are not using the phone.
Modern phones protect themselves by throttling, which means reducing performance when they get hot. That is why games lag and the camera may close with a warning. Throttling is a safety feature, but frequent phone overheating means something in your usage or the phone itself needs to change. Identifying the trigger is the first step towards a lasting fix.
12 Tips to Fix Phone Overheating
- Remove the back case while charging or gaming.
- Avoid using the phone while it is fast charging.
- Use the original charger or a certified one with the right wattage.
- Keep the phone out of direct sunlight and hot car dashboards.
- Lower screen brightness or turn on adaptive brightness.
- Close unused apps and stop heavy apps running in the background.
- Turn off Bluetooth, hotspot and GPS when not needed.
- Switch to Wi-Fi in places with weak mobile signal.
- Reduce game graphics and frame rate settings.
- Update the phone software and all apps.
- Turn on battery saver during long trips.
- Restart the phone at least once a week.
Try a few of these changes together and watch how the phone behaves over two or three days. In many cases, removing a thick case and avoiding use during charging solves most of the problem. If the heat appears only with one app, that app is likely the cause, and clearing its cache or reinstalling it may help.
Find the App Causing Phone Overheating
Open Settings, go to Battery and check battery usage by app. An app using a large share of battery while you barely opened it is suspicious. Restrict its background activity or uninstall it. Also look for unknown apps you do not remember installing, especially cleaner, booster or free VPN apps, which can run hidden processes and show ads. Removing them often brings an immediate improvement in temperature and battery life.
If you recently updated the phone and the heating started afterwards, wait a day; phones often run optimisation tasks after big updates. If it continues, check for a follow-up patch from the manufacturer. As a last step, back up your data and reset the phone to factory settings, which removes any software cause of phone overheating.
Phone Overheating While Gaming or Using Camera
Gaming and camera use push the processor and graphics chip to their limits. To reduce heat, lower the game’s graphics quality, cap the frame rate and avoid playing while charging. Some phones have a game mode that balances performance and temperature; turn it on. When recording long videos, switch from 4K to 1080p, which produces far less heat and saves storage. Taking short breaks lets the phone cool and prevents throttling in the middle of an important recording.
Charging Habits That Reduce Heat
| Habit | Why it helps |
|---|---|
| Charge between 20% and 80% | Less stress and heat in the battery |
| Avoid overnight charging under pillows | Heat can escape freely |
| Use certified chargers and cables | Stable voltage and safety protection |
| Turn on adaptive or optimised charging | Slows charging near full |
Fast chargers are safe when they come from the phone maker or trusted brands, but cheap unbranded chargers can deliver unstable power and cause heating. Wireless charging also produces more heat than cable charging. If your phone supports it, enable optimised charging so it pauses near 80 percent and finishes later, reducing the time the battery spends hot and full.
When to Visit a Service Centre
Stop using the phone and visit an authorised service centre if the battery is swollen, the back panel is lifting, you smell burning or the phone becomes very hot even when idle. These are signs of a battery or hardware fault that software fixes cannot solve. Replacing an old battery is often affordable and can make the phone feel new again. Never try to puncture or press a swollen battery yourself.
Frequently Asked Questions
Is phone overheating dangerous?
Occasional warmth is normal, but frequent phone overheating can damage the battery and should be fixed quickly.
Why does my phone overheat while charging?
Using the phone while fast charging, thick cases and unbranded chargers are the common causes.
Do cooling apps fix phone overheating?
Most cooling apps do little; closing heavy apps and changing settings is more effective against phone overheating.
Can a software update fix overheating?
Yes, if the heating is caused by a software bug, an update or reset can solve it.
Conclusion
Most cases of phone overheating can be fixed with simple habits: remove the case while charging, avoid heavy use during fast charging, update software and remove misbehaving apps. If the phone still gets very hot when idle, get the battery checked at an authorised centre. For more device care tips, read our laptop battery health check guide and free up cloud space with our Gmail storage full guide.
