Why Does My LG G5 Get So Hot? Common Reasons and Solutions

The LG G5 has been widely praised for its sleek design, powerful performance, and impressive camera capabilities. However, like any electronic device, it is not without its faults. One common issue that many LG G5 users have reported is the device getting excessively hot during use. This can not only be uncomfortable for the user, but it can also negatively affect the overall performance and lifespan of the device. In this article, we will explore some of the common reasons behind why the LG G5 gets so hot and provide some solutions to help mitigate this issue.

One of the most common reasons behind the overheating of the LG G5 is the excessive use of power-hungry apps or processes. Many users tend to multitask on their smartphones, running several resource-intensive apps simultaneously, which can put a heavy strain on the device’s processor and cause it to heat up. Another contributing factor to overheating can be a software glitch or a bug in the operating system. These software-related issues can cause the device to work harder than necessary, resulting in increased heat generation. Thankfully, there are several effective solutions to address these problems, which we will delve into in the following sections.

1. Overuse of processor-intensive apps and activities

Using processor-intensive apps and engaging in activities that require a lot of processing power can cause your LG G5 to overheat. Apps like video streaming, gaming, and graphics-intensive applications put a heavy load on the CPU, leading to increased temperature.

To prevent overheating due to excessive CPU usage, consider closing apps running in the background that you are not actively using. This will reduce the burden on the processor and help maintain a lower temperature. Disable any unnecessary features or services that may be running in the background and consuming additional processing power.

Additionally, ensure that you are not running too many applications simultaneously, especially resource-intensive ones. Close or uninstall any unnecessary apps that you rarely use to minimize the strain on your LG G5’s processor.

Poor ventilation and blocking of heat dissipation

One common reason why your LG G5 gets hot is poor ventilation and blocking of heat dissipation. When your device doesn’t have proper airflow, it can lead to overheating. The LG G5, like any other smartphone, generates heat when it is being used, and it needs a way to release that heat. If you constantly use your device for processor-intensive apps and activities, such as gaming or streaming videos, without giving it a break, it can easily overheat.

Additionally, covering your LG G5 with a case or placing it on surfaces that obstruct heat dissipation, like pillows or blankets, can contribute to the problem. These physical barriers restrict airflow, trapping the heat generated by the device and causing it to get even hotter.

To address this issue, ensure that you are using your LG G5 in a well-ventilated area. Avoid placing it on soft surfaces that can block the heat from escaping. If you use a case, opt for one that allows proper airflow to prevent overheating. Taking these simple precautions can help prevent poor ventilation and improve the overall temperature of your LG G5.

3. Software glitches and updates causing excessive CPU usage

Software glitches and updates can sometimes cause excessive CPU usage, leading to your LG G5 getting hot. When there are bugs or compatibility issues in your device’s operating system or certain apps, it can put a strain on the CPU, resulting in increased heat generation.

One common scenario is when a buggy app or software update causes continuous background processes to run, using up more CPU resources than necessary. This can lead to your device becoming noticeably warm to the touch.

To resolve this issue, a good starting point is to ensure that all your apps and the device’s operating system are fully updated. Developers often release patches and bug fixes to address such issues. Regularly checking for updates can help eliminate any software-related culprits causing excessive CPU usage.

Additionally, if you identify a specific app that is causing the problem, try uninstalling and reinstalling it. This can often resolve any glitches or conflicts it may be experiencing.

If the problem persists after updating and troubleshooting individual apps, consider performing a factory reset as a last resort. This can often resolve any lingering software glitches, but remember to backup your important data before proceeding.

By addressing software glitches and keeping your device up to date, you can minimize excessive CPU usage and prevent your LG G5 from overheating.

Battery issues and charging problems

Battery issues and charging problems can be a common cause of overheating in your LG G5. If you notice that your device gets excessively hot while charging or if the battery drains quickly, it’s likely that there is a problem with the battery itself or the charging mechanism.

One possible reason for this could be a faulty battery. Over time, smartphone batteries degrade and may fail to hold a charge efficiently. In such cases, the battery can heat up while attempting to provide power to the device, resulting in overheating. Similarly, using a damaged or incompatible charger can also lead to excessive heat generation.

Another factor to consider is the charging port. A loose connection or dirt accumulation can hinder the charging process, causing the device to consume more power than necessary and consequently generate heat.

To resolve these issues, consider replacing the battery if it shows signs of deterioration. Additionally, ensure that you use a compatible charger and clean the charging port regularly to maintain a stable and efficient charging process.

Taking care of these battery-related problems will not only prevent overheating but also improve the overall performance and lifespan of your LG G5.

5. External factors such as high ambient temperature

External factors, such as high ambient temperature, can significantly contribute to your LG G5 overheating. When exposed to a hot environment, your device’s internal temperature rises quickly, causing it to work harder to maintain optimal performance. This results in increased heat production and ultimately leads to overheating.

One common scenario where high ambient temperature affects your phone is when you leave it under direct sunlight for an extended period. Sunlight can heat up your device rapidly, pushing it beyond its normal temperature range. Similarly, using your smartphone in a hot car or keeping it near heat-emitting objects like a radiator can also cause overheating.

To prevent your LG G5 from getting too hot due to external factors, you can take a few precautions. Avoid exposing your phone to direct sunlight or hot environments whenever possible. Keep it in a cool, shaded area, and consider using a protective cover that doesn’t trap heat. Additionally, try to limit device usage in extreme temperatures and give your phone breaks to cool down if it does get hot.

By being mindful of external factors and taking necessary precautions, you can help maintain optimal temperature levels and prevent your LG G5 from overheating.

Steps to prevent overheating and maintain optimal device temperature:

To ensure your LG G5 doesn’t overheat, there are a few steps you can take to prevent excessive heat buildup and maintain an optimal device temperature.

1. Avoid overusing processor-intensive apps and activities: Continuous use of resource-heavy apps like gaming or multitasking can cause your device to heat up. Limit the usage or take breaks to allow the phone to cool down.

2. Ensure proper ventilation and prevent blocking of heat dissipation: Avoid covering your phone with thick cases or placing it on surfaces that don’t allow heat to escape. Keep the phone in a well-ventilated area to promote better heat dissipation.

3. Update your software regularly: It’s important to install software updates as they often include bug fixes and performance improvements. These updates can address any software glitches that may be causing excessive CPU usage and heating.

4. Monitor battery usage and charging habits: Overcharging or using faulty chargers can lead to battery overheating. Opt for genuine chargers and avoid using your phone while it’s charging to minimize heat generated during the charging process.

5. Be cautious of high ambient temperatures: Extreme heat conditions, such as being in direct sunlight for long periods, can cause your device to overheat. Try to keep your phone away from direct sunlight and avoid exposing it to extremely hot environments.

By following these preventative measures, you can minimize the risk of your LG G5 overheating and ensure that it operates at an optimal temperature for a smoother, more reliable user experience.


1. Why does my LG G5 get hot during regular use?

There could be several reasons for this, including excessive app usage, background processes, and high screen brightness. Try closing unnecessary apps, reducing screen brightness, and restarting the phone to see if that helps cool it down.

2. Is it normal for my LG G5 to get hot while charging?

While some heat during charging is normal, excessive heat may indicate a problem. Make sure you’re using the original LG charger and cable, as using third-party accessories may cause overheating. If the phone becomes extremely hot while charging, consider taking it to a professional for assessment.

3. What should I do if my LG G5 gets exceptionally hot during gaming or using intensive apps?

Intensive tasks like gaming can put a heavy load on the device, causing it to heat up. To prevent overheating, try reducing the graphics settings in games or closing other apps running in the background. If the problem persists, consider giving your phone a break or contacting LG support for further assistance.

4. Why does my LG G5 get hot after software updates?

Software updates can sometimes cause temporary spikes in CPU usage, leading to increased heat generation. This is usually normal and should subside after a short while. If the excessive heat persists or the phone becomes unresponsive, it’s advisable to contact LG customer support for guidance.

5. How can I prevent my LG G5 from getting too hot?

To prevent overheating, it’s important to avoid exposing your phone to extreme temperatures, both hot and cold. Additionally, limit resource-intensive activities, such as running multiple demanding apps simultaneously or using the phone while charging. Regularly clear cache and unnecessary files, as they can contribute to heat build-up.


In conclusion, the LG G5 may heat up due to several common reasons. One of the main causes is excessive usage, especially while running heavy applications or games for extended periods. Additionally, outdated software or a high number of background processes can also contribute to the device heating up. However, there are several simple solutions to address these issues. Firstly, users should try to limit the usage of resource-intensive apps and games and close unnecessary background processes. Furthermore, keeping the device updated with the latest software patches and clearing the cache regularly can help improve its performance and prevent overheating. Overall, by following these solutions, LG G5 users can effectively prevent their device from getting too hot and ensure a smoother user experience.

To summarize, it is common for the LG G5 to experience heat-related issues, particularly when the device is under heavy usage or has outdated software. However, these problems can easily be resolved by taking simple measures. By managing app usage, closing unnecessary background processes, and keeping the device updated, users can significantly minimize the chances of overheating. It is important for LG G5 owners to be proactive in addressing these issues to maintain the optimal performance and longevity of their device.

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