It is normal for a smartphone to become a little warm while gaming, charging, recording videos, using GPS or performing other demanding tasks. The problem starts when your phone gets unusually hot again and again, even during simple activities.
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High temperatures can affect performance and may contribute to faster battery ageing over time. Fortunately, there are several simple things you can do to reduce unnecessary heat and keep your phone working normally.
Also read: OnePlus N6 Lite India Launch Set for September 22: 7,000mAh Battery, 120Hz Screen and More
Why Does a Phone Get Hot?
Your smartphone produces heat whenever its processor, display, battery and network components are active. Demanding activities such as gaming, video editing, long camera sessions and large downloads can make the hardware work harder.
The surrounding temperature also matters. A phone used in direct sunlight or inside a hot car can become much warmer because there is less opportunity for the heat to escape.
Charging can add some warmth as well, particularly when fast charging is being used. Using the phone for demanding tasks while charging can increase the heat even further.
A slightly warm phone during heavy use is usually not unusual. However, repeated overheating, temperature warnings or excessive heat during basic tasks should not be ignored.
1. Keep Your Phone Out of Direct Sunlight
Direct sunlight can quickly raise the temperature of a smartphone. This is especially common when the phone is left on a car dashboard, near a sunny window or outdoors during hot weather.
If your phone gets too warm, move it to a shaded, cooler and dry place. Stop demanding activities and allow the device to return to a normal temperature naturally.
Do not put a hot phone in a refrigerator or freezer. A sudden temperature change can cause condensation and potentially damage internal components.
2. Take a Break From Gaming and Heavy Apps
Games can put considerable load on the processor and graphics hardware. Video editing, high-resolution recording and other demanding applications can also produce extra heat.
When the phone becomes unusually hot, stop the demanding activity for a while. Leave the device idle so it has time to cool down.
Many smartphones can automatically lower performance when their temperature rises. This process, commonly called thermal throttling, helps control heat.
3. Remove a Thick Case Temporarily
Some thick phone cases can make it more difficult for heat to escape, particularly when the phone is already under heavy load.
If your device feels unusually hot, you can remove the case temporarily and place the phone somewhere cool and dry. Put the case back on after the temperature returns to normal.
There is generally no need to stop using a protective case permanently. Removing it is mainly a temporary measure when the phone is getting hotter than usual.
4. Lower the Screen Brightness
A bright display can use more power, especially when it remains at maximum brightness for a long time. Lowering the brightness can therefore reduce power consumption.
Try reducing the brightness manually or enable automatic brightness if your phone supports it.
You can also reduce the screen timeout so the display does not stay active unnecessarily.
If your smartphone has a 90Hz, 120Hz or higher refresh-rate option, switching to a lower refresh rate can also reduce power consumption in situations where maximum smoothness is not needed.
5. Check for Apps Using Too Much Battery
You do not need to close every app manually. Modern Android and iPhone devices are designed to manage apps and memory automatically.
However, an app can sometimes malfunction and continue using an unusually large amount of processing power in the background.
If your phone is getting hot without an obvious reason, open the battery usage section in Settings. Look for an app that is consuming much more power than expected.
Try updating the app first. If the problem continues, you can restrict its background activity or remove the app if you do not need it.
6. Avoid Heavy Use While Charging
Some warmth while charging is normal, but demanding activities can add even more heat.
Try not to play graphics-heavy games, edit videos or perform other intensive tasks while your phone is charging. If the device becomes extremely hot, disconnect the charger and allow it to cool.
Keep the phone on a hard, open surface while charging. Avoid placing it under a pillow, blanket or other material that can trap heat around the device.
7. Use a Suitable Charger and Cable
The charger and cable you use can affect charging performance and heat. Use accessories recommended by the phone manufacturer or reliable compatible products that meet the required charging standards.
Inspect the cable and adapter if you notice unusual heat while charging. Do not continue using accessories with exposed wires, damaged connectors or other visible damage.
If the charging port becomes unusually hot even when using suitable accessories, consider having the phone inspected by the manufacturer or an authorised service centre.
8. Check Your Mobile Signal
A weak mobile signal can sometimes increase power consumption because the phone may need to work harder to maintain its connection.
This can be more noticeable during long calls, mobile data use or travel through areas with poor coverage.
When a reliable Wi-Fi connection is available, using Wi-Fi may reduce the phone’s dependence on a weak cellular signal.
If you are somewhere with no mobile coverage and do not need calls or mobile data for an extended period, Airplane Mode can also prevent the phone from continuously searching for a network.
9. Keep Your Phone and Apps Updated
Software problems can sometimes cause excessive processor activity or battery drain, which may contribute to additional heat.
Keeping your operating system and apps updated can help resolve known bugs and performance issues.
On Android phones, the software update option can usually be found inside Settings, although the exact menu can differ between manufacturers.
On an iPhone, you can check for updates through Settings > General > Software Update.
Also check your installed apps for available updates. If overheating began after installing a particular application, updating or removing that app may help identify the cause.
10. Restart the Phone
A simple restart can sometimes solve temporary software problems. It stops active processes and gives the operating system a fresh start.
If the phone becomes hot without gaming, charging or using another demanding feature, restart it and monitor the temperature afterward.
A restart cannot repair a damaged battery or faulty hardware. However, it is an easy troubleshooting step when the cause may be software-related.
What to Do If Your Phone Overheats While Charging
A smartphone may feel slightly warm during charging, especially when fast charging is enabled. It should not, however, become extremely hot every time you plug it in.
If this happens regularly, check the charger, cable and charging port. Make sure the phone is not charging in direct sunlight, inside a hot vehicle or underneath bedding.
Many modern smartphones have built-in temperature protection. If the device becomes too hot, it may slow down charging, reduce performance or temporarily stop charging until the temperature falls.
Can Excessive Heat Damage a Phone Battery?
Repeated exposure to high temperatures can accelerate the ageing of lithium-ion batteries. Over time, this can reduce the battery’s ability to hold a charge.
Modern smartphones include various temperature-management features, but it is still better to avoid unnecessary heat whenever possible.
Simple habits such as keeping the phone away from direct sunlight, avoiding heavy tasks when the device is already hot and charging it in a well-ventilated area can help reduce thermal stress.
Quick Ways to Reduce Phone Heat
| Possible Cause | What You Can Do |
|---|---|
| Direct sunlight | Move the phone to a shaded location |
| Heavy gaming | Stop the game and let the device rest |
| Charging | Avoid demanding tasks while charging |
| High brightness | Reduce the display brightness |
| Problematic app | Check battery usage and update the app |
| Thick case | Remove the case temporarily |
| Weak mobile signal | Use reliable Wi-Fi when available |
| Temporary software problem | Restart the phone |
| Outdated software | Install available updates |
| High refresh rate | Temporarily use a lower refresh rate |
When Should You Be Concerned?
A phone becoming warm during gaming, charging or extended camera use is different from a device becoming extremely hot during simple tasks.
Pay closer attention if your phone repeatedly overheats without an obvious reason, frequently displays temperature warnings or becomes too hot to handle comfortably.
A swollen battery is a more serious warning sign. If the back of the phone begins lifting, the battery appears swollen, you notice an unusual smell or the device has physical battery damage, stop using and charging it.
Do not press, puncture or attempt to repair a swollen battery yourself. Contact the manufacturer or an authorised service centre for assistance.
Also read: 53 Themes, Zero Clutter: A Modern Launcher for a Cleaner Android Home Screen
How to Prevent Your Phone From Overheating
The first step is to identify what was happening when the phone started getting hot. Gaming, charging, direct sunlight, high brightness, demanding apps and weak network signals are some common factors that can increase heat.
Keep the phone away from extreme temperatures, use suitable charging accessories and install software updates when available. When the device becomes unusually warm, stop demanding activities and let it cool naturally.
Avoid quick cooling methods such as placing the phone inside a refrigerator or freezer. Sudden temperature changes can create condensation and cause additional problems.
If the phone continues to overheat during normal use despite these steps, consider having it checked by the manufacturer or an authorised service centre. Persistent overheating can sometimes be related to the battery, charging system or another hardware component.
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Abhi Rajput, founder of EarnAbhi.in, is a tech lover with 6+ years of experience in SEO, digital tools, and smartphone troubleshooting. He writes simple, clear, and useful guides to help people solve real tech problems.
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