Phone Overheating When Charging? Here’s Why & How to Fix It!

‘Phone hot when charging?’ No need to worry. Let’s get to fixing it now! 

You are not the only one facing it. In fact, it has become a common issue that almost everyone faces nowadays. But do we know why it happens and how to fix it? As you scroll down, we have listed all the possible reasons behind your phone overheating when put on charge. We’ve listed the potential damage to look out for if this happens and how to fix it within minutes. 

Phone Hot When Charging? Reasons, Fixes & Precautions.

Do you feel like your phone is on fire every time you plug it in?

With fast charging and excessive phone usage nowadays, your device can easily overheat while charging. In this article, we’ve listed the causes, easy fixes, and preventive measures you can take to stop your phone from overheating.

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What is the reason for the phone overheating when charging?

Let’s break down the common reasons why your phone gets hot when charging. 

• Overcharging of phone while plugged in

Your phone’s battery is fully charged, and you still haven’t unplugged it? It is important to understand that if your phone is 100% charged, it does not need more power; all the extra power picks up excess energy and causes it to heat because it has no place to go. ‘

• Overusing phones while plugged in for charging

Many of us have gotten into a habit of constantly using our phones when charging. Constant use of phones while they’re plugged in for charging stresses the battery significantly; hence, the phone starts heating up.

• Fast Charging Phones and Chargers

Chargers with higher output power and phones with fast charging features often tend to heat up while charging. Wondering why? Think of it like running; when you run slowly, you generate less heat. But at full speed, your body heats up much more. The same happens with your phone! The fast charging quickly draws power at high speed, and the excess heat that it produces causes your phone to heat up. 

• Battery Health 

You might have noticed that when you try to resell your phone or give it to the service centre, one common question pops up: ” What is the phone’s battery health?” 

With the time and use of mobiles, battery health degrades, causing the phone to heat up when charging as the capacity lowers and the power being supplied to it is higher. 

• Low-quality cables or chargers

Substandard accessories that are not designed to support your phone can produce excess heat for better energy conversion, resulting in overheating. Counterfeit accessories not only cause overheating but also negatively affect phones’ overall health. So, always double-check the compatibility of chargers and cables you buy for your phone. 

Quick and easy fixes to stop your phone from overheating when charging

If your phone is hot when charging, here are a few quick fixes that can help it cool down.

• Unplug your phone immediately.

The first thing you need to do is stop charging, let your phone cool down a bit, and then, if you see that the temperature is back to normal, you can plug in the charger again. 

•  Switch to Airplane Mode 

When you put your phone on flight mode, it turns off all wireless, Bluetooth, and GPS connections, which consume the majority of power even when not in use. Hence, in ‘airplane’ mode, it will need less power to charge, which means no excess heat to turn your phone into lava. 

• Close all the Background Apps 

Make it a habit to close all running apps in the background before plugging in the charger. This helps reduce the load on the battery and aids in keeping the heat generation low.  

• Take off your phone case

The phone tends to heat up while charging sometimes because excess heat gets trapped in the case, and the phone can’t find a route to exit, making it overheat. It is always suggested that you remove your phone case when you are plugging your phone in for charging. 

• Find a cool spot to charge your phone

If you place your phone in a place where either sunlight or any external heat is reaching the phone, it will overheat while charging. 

Always find a cool place with a normal temperature around the place where you are charging your phone so that no excess heat reaches the phone. 

• Software Update

Few models were reported to have overheating issues due to software bugs. So, if you see your phone heating up while charging next time, unplug it and check for any software updates. 

• Use a cooling device

Now, the next time you see overheating when charging, unplug it and put it on a cool pad. You can even use a cool fan or anything that can externally help bring the temperature down. 

• Check for your cable or charger

If your phone is heating when out on charge, immediately check the compatibility of the cable and adaptor that you are using. You can also look up the accessories’ specifications and how safe they are to use.

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What should you look out for if your phone is consistently reheating? 

• Damage to the battery 

The battery’s health and lifespan depend on its healthy running. If the overheating issue is persistent, it will not only degrade the battery’s health but can also cause permanent damage.

• Slower Charging 

Overheating of phones greatly impacts their charging efficiency. You might start noticing that your phones now take a longer duration to reach 100%. 

• Degradation of phone parts 

Your phone’s internal parts are more on a delicate end; excessive heat can easily degrade a few components of your device and make them obsolete at a much earlier stage.

• Lagging and freezing 

Recurring overheating problems can affect the Performance of your phone. You might start noticing that the phone is lagging and freezing more often because of the stress on internal components due to excessive heat.

Frequently Asked Questions

Is it normal for phones to overheat while charging?

Well, the phone is expected to get a little warm while used or plugged in for charging, but overheating can be a problem. Overheating of phones now, though, has become common but indicates immediate resolution. 

Can overheating while charging damage my phone?

Yes, the persistent problem of overheating directly impacts the battery’s health of the phone. Recurring overheating issues have even been proven to damage the internal components of the phone.

What steps can I take to prevent my phone from overheating?

Always use compatible and original accessories, and try not to use phones while they are charging. 

Does my phone charge slower when it’s overheating?

Yes, many smartphones charge slower when overheating. It basically protects your battery. 

Should I charge my phone overnight?

It’s not recommended. While most modern phones stop charging at 100%, they may continue trickle charging, generating unnecessary heat and affecting long-term battery health.

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