Why Do iPhones Get Hot When Charging? Causes and Solutions

iPhones can get hot when charging due to a variety of reasons. The battery health feature, which monitors the battery's capacity and age, may also be a contributing factor.

The battery's internal temperature can rise to 45°C (113°F) when charging, which is a normal operating temperature. However, if the temperature exceeds 45°C (113°F), it can cause the battery to degrade faster.

The charging process itself can also cause the iPhone to heat up. The article explains that the charging process involves converting electrical energy into chemical energy, which can generate heat.

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iPhones get hot for a variety of reasons, and it's not always a cause for alarm. However, there are some common triggers that can cause your iPhone to overheat.

Charging and using your iPhone at the same time can cause it to overheat. This is because the charging process consumes a lot of power, which can put a strain on your iPhone's resources.

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High ambient temperatures, especially direct sunlight, can also cause your iPhone to overheat. I've noticed that my iPhone tends to get hotter when I leave it in my car on a sunny day.

Resource-intensive apps and processes, such as gaming or streaming high-quality videos, can also lead to overheating. If you're a gamer or love watching videos on your iPhone, be aware that this can cause your phone to get hot.

Restoring your iPhone from a backup can also cause it to overheat. This is because the process involves background processes and data transfers that consume a lot of processing power.

Software and system issues, such as bugs or iOS updates, can also lead to increased CPU usage and heat. If you're experiencing software issues, try restarting your iPhone or seeking help from Apple support.

An old or damaged battery can also cause your iPhone to overheat. If you receive a notification suggesting you should replace your battery, take it seriously and check your battery health by navigating to Settings > Battery > Battery Health & Charging.

Here are some common triggers that can cause your iPhone to overheat:

Overheating is a common issue that can occur when charging an iPhone. It's perfectly normal for your phone to generate some heat when charging, as explained by the Second Law of Thermodynamics. This law states that anything that creates or uses energy does so with some loss, which is expressed as heat.

Using a non-original charger and cable can cause your iPhone to overheat. This is because these chargers and cables may not be designed to handle the power requirements of your iPhone, leading to excessive heat generation.

Your iPhone can also overheat if it's exposed to high temperatures. This can happen if you're charging your phone in a hot room or if you're using it in direct sunlight. Even if you're not using any apps, your iPhone's default features can still use a lot of CPU power, contributing to overheating.

Here are some common external causes of iPhone overheating while charging:

These causes can lead to a range of problems, from a stuck iPhone to damage to the battery and phone.

To prevent your iPhone from getting hot while charging, try moving it to a cooler place or turning on a fan. This can help reduce the heat generated by the device.

If the heat is due to high temperatures in the room, moving your iPhone to a cooler spot can make a big difference. You can also enable the "Optimized Battery Charging" feature to minimize the possibility of overheating.

To fix iPhone overheating when charging due to iOS system glitches, updating to the latest iOS version can be a solution. If this doesn't work, using an iOS system repair tool like Fixppo can resolve the issue without losing data.

Here are some key features of Fixppo:

Move your iPhone to a cooler place to reduce the heat. If it's kept in a hot environment, the iPhone battery won't hold charge.

Don't use your iPhone while charging, as it generates heat as a byproduct of the hard work. Using the phone while charging puts additional strain on the processor and other components.

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Wireless chargers generate more heat than standard chargers, so try swapping to a standard charging cable or purchase a wireless charger with built-in cooling.

It's normal for your iPhone to get a little warm from time to time, but overheating is a different story. If your iPhone is overheating, it could be due to charging and using your iPhone simultaneously, high ambient temperatures, or resource-intensive apps and processes.

To fix iPhone overheating when charging due to iOS system glitches, try updating the iOS to the latest version. If that doesn't work, you can use an iOS system repair tool like Fixppo.

Here are some key features of Fixppo:

By following these tips, you can prevent your iPhone from overheating and keep it running smoothly.

Using the right accessories is crucial in preventing your iPhone from overheating while charging. Make sure to use the official Apple charger and charging cable.

Third-party charging accessories can overload the battery, causing the iPhone to get hot while charging. This is a common problem that can be easily avoided by using genuine Apple products.

Wireless charging, especially with MagSafe, can generate more heat than wired charging. If you're experiencing overheating issues, try switching to wired charging or using a different charging method.

Here are some tips to help you identify the right accessories for your iPhone:

Using the right accessories can help prevent overheating and prolong the lifespan of your iPhone's battery.

Disabling Background App Refresh can help prevent your iPhone from getting hot while charging.

This feature allows apps to refresh their content in the background, but it can also cause your iPhone's processor to run continuously, leading to overheating.

To disable Background App Refresh, go to Settings > General > Background App Refresh and toggle off the buttons next to the apps you don't need.

It's a good idea to only leave the apps that require instant notifications on a daily basis enabled, such as your email or social media apps.

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The simplest way to prevent your iPhone from overheating is to stop using it. This might seem obvious, but it's surprising how often we forget to give our phones a break.

Immediately unplug your iPhone from the charger if it's overheating, as charging can generate extra heat. Disconnecting it will help reduce the temperature. Wait a few minutes until it cools down before charging it again.

Closing any apps you're using and putting your iPhone to sleep by pressing the Lock button can also help speed up the cooling process. Leaving it alone for 10–15 minutes will give it time to cool down completely.

Here are some common activities that can cause your iPhone to overheat:

If you're experiencing any of these issues, it's best to stop using your iPhone and let it cool down before attempting to use it again.

Moving your iPhone to a cooler place can help reduce heat. This is especially important if you're charging your phone in a hot environment.

Dodgy chargers and cables can cause your phone to overheat, so it's best to stick with the original equipment manufacturer's charging standards.

Using your phone while it's charging can also make it hotter, so try to avoid playing games or recording videos while your phone is plugged in.

Check your charging accessories to make sure you're using the official Apple charger and charging cable. This can help prevent your phone from getting too hot while charging.

Wireless charging typically generates more heat than wired charging, so if your phone is getting hot while charging wirelessly, it's a good idea to try a different charging method.

Here are some common causes of phone overheating:

Remember, overheating can damage your phone's internal components, so it's essential to take steps to prevent it.

Using a wireless charger can generate more heat than a standard charger, making your phone feel warmer than usual. This is because wireless chargers produce excess heat as a byproduct of the charging process.

If you're currently using a wireless charger, you might want to consider swapping to a standard charging cable. This can help reduce the heat generated during charging.

There are wireless chargers available that come with built-in cooling systems to minimize excess heat. These chargers can be a good option if you still want to use wireless charging but are concerned about heat safety.

If you do decide to use a wireless charger, make sure to choose one that has a built-in cooling system to reduce the risk of overheating.

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You might be surprised at how often people make the same mistakes that cause their iPhone to overheat while charging. One common mistake is using the wrong charger.

Using a low-quality charger can cause your iPhone to heat up. This is because these chargers often don't meet Apple's safety standards.

Another mistake is leaving your iPhone in a hot environment while charging. If it's already 90 degrees outside, the last thing you want to do is leave your iPhone in the car.

The iPhone's battery health can also be affected by frequent fast charging. This can cause the battery to degrade faster than usual.

Not closing resource-intensive apps while charging can also cause your iPhone to heat up. This is because these apps are using up your iPhone's processing power.

The iPhone's charging port can also get clogged with dust and debris, causing it to heat up. This can be easily fixed by cleaning the port with a soft brush or cloth.