Is your iPhone 12 overheating and giving you a hard time? Discover the underlying causes behind this issue and learn effective solutions to keep your device cool and running smoothly.

Is your iPhone 12 overheating? You’re not alone. Many users have reported this issue, and it can be frustrating to deal with. In this blog post, I’ll share some strategies on why is my iPhone 12 hot and how to fix it.

Firstly, it’s important to understand why your iPhone 12 might be overheating. There are a few common causes, including running too many apps at once, using your phone in a hot environment, or having a faulty battery. Once you know the cause, you can take steps to fix it.

I’ve been writing about technology for several years now, and I’ve seen a lot of different iPhone problems. Overheating is one of the most common, but it’s also one of the easiest to fix. I’ll share some of my tips and tricks in this blog post, so you can get your iPhone 12 back to normal.

Why is my iPhone 12 Hot?

Experiencing an unusually warm iPhone 12 can be disconcerting. While modern smartphones are designed to generate some heat during operation, excessive warmth may indicate an underlying issue that warrants attention. Understanding the potential causes and implementing effective mitigation strategies is crucial for ensuring optimal device performance and longevity.

I. Identifying Potential Causes of iPhone 12 Overheating

A. Intensive App Usage

Demanding applications, such as high-resolution games, video editing software, and graphic-intensive simulations, place a significant load on the iPhone’s processor and graphics chip. Sustained usage of these applications can lead to elevated temperatures as the device attempts to keep up with the computational demands.

B. Prolonged Exposure to Direct Sunlight

Direct sunlight, especially during hot weather, can significantly increase the iPhone’s surface temperature. The device’s metal frame and glass construction act as a thermal conductor, efficiently absorbing and retaining heat. Extended periods in direct sunlight can lead to overheating and potential damage to internal components.

C. Battery Issues

A malfunctioning battery can also contribute to iPhone 12 overheating. A degraded battery may struggle to provide a stable power supply, resulting in increased heat generation during charging or intensive usage. Additionally, a damaged battery can experience internal short circuits, exacerbating the overheating problem.

D. Software Bugs

Software glitches and bugs can disrupt the iPhone’s temperature regulation mechanisms. Erroneous code may cause the device to remain in a high-power state, even when not actively in use, leading to excessive heat production. iOS updates often include patches for such bugs, emphasizing the importance of keeping the device’s software up to date.

II. Troubleshooting and Mitigation Strategies

A. Managing App Usage

  • Close background apps: Regularly closing unused apps running in the background can reduce the strain on the device’s processor and minimize heat generation.
  • Reduce brightness levels: Adjusting the screen brightness to lower levels can significantly reduce heat production, as the display is a major source of heat generation.
  • Use low-power mode: Enabling low-power mode reduces the iPhone’s performance and limits background activities, effectively conserving battery life and reducing heat output.

B. Controlling Heat Exposure

  • Avoid direct sunlight: Protect the iPhone from direct sunlight, particularly during hot weather, by seeking shade or using a protective case with a reflective surface.
  • Use a shade or case: Consider using a shade or a lightweight case to deflect direct sunlight and dissipate heat from the device’s exterior. Ensure the case does not impede ventilation.
  • Ventilate the device: Allow ample airflow around the iPhone by placing it on a well-ventilated surface or using a cooling pad designed for electronic devices.

C. Battery Maintenance

  • Check battery health: Monitor the iPhone’s battery health using the built-in Battery Health feature. A significantly degraded battery may need replacement.
  • Replace degraded batteries: If the battery health falls below 80%, consider replacing it with a new one to restore optimal performance and minimize overheating issues.
  • Calibrate the battery: Occasionally, the battery may lose its accuracy in reporting its charge level. Calibrating the battery can help restore its accuracy and improve charging efficiency.

D. Software Updates and Fixes

  • Install the latest iOS version: Regularly updating the iPhone’s software to the latest iOS version ensures access to the latest bug fixes and performance enhancements that may address overheating issues.
  • Report bugs and glitches: If persistent overheating occurs despite implementing the above measures, consider reporting the issue to Apple Support. Detailed bug reporting assists in identifying and resolving software-related problems.
  • Reset the device: In some instances, a full device reset can resolve software-related overheating issues. Back up important data before performing a reset.

III. Additional Tips for Preventing Overheating

  • Avoid Fast Charging: While fast charging is convenient, it can generate excess heat. Use the standard Apple charger and cable for regular charging to minimize heat production.
  • Use Original Apple Chargers: Using non-original chargers may compromise charging efficiency and contribute to overheating. Stick to Apple-certified chargers designed for the iPhone 12.
  • Clean the Charging Port: Dirt and debris accumulation in the charging port can hinder charging efficiency and cause overheating. Regularly clean the port using a non-conductive tool like a toothpick.
  • Monitor Device Temperature: Pay attention to the iPhone’s temperature, especially during intensive usage or charging. If the device becomes noticeably hot, take immediate steps to cool it down and identify the potential cause.
  • Limit Wireless Connectivity: When not actively using wireless connectivity features like Wi-Fi or Bluetooth, consider disabling them to reduce heat generation from the device’s antennas.


To ensure optimal performance and longevity of your iPhone 12, it’s crucial to address the issue of overheating. By identifying potential causes, implementing troubleshooting strategies, and following additional preventive measures, you can effectively resolve why your iPhone 12 is hot. Monitoring app usage, controlling heat exposure, maintaining battery health, and keeping software up to date are essential steps in preventing overheating. Remember, if the issue persists or worsens, consider seeking professional assistance for further diagnosis and repair.

FAQs about why is my iPhone 12 hot

1. Why is my iPhone 12 getting hot during charging?

Fast charging produces heat. Remove the phone case while charging to let it dissipate. Use Apple certified chargers only. Also, avoid using your phone while it’s charging.

2. Why does my iPhone 12 overheat while playing games?

Gaming requires high graphics and processing power, which can heat up the phone. Close background apps to free up resources. Reduce graphics settings in games. Take breaks while gaming to let the phone cool down.

3. Why does my iPhone 12 get hot after software updates?

Software updates involve significant background processes and indexing, which can temporarily increase heat. Keep your phone connected to power and Wi-Fi during updates, and avoid using it heavily until the update is complete.

4. Why is my iPhone 12 hot when not in use?

Background apps and services can still run even when the phone is not actively used. Close unnecessary apps, disable location services for unused apps, and reduce background app refresh.

5. What should I do if my iPhone 12 gets too hot?

Stop using it and let it cool down. Remove the phone case, turn off Wi-Fi and Bluetooth, and close all apps. If the phone doesn’t cool down within a few minutes, contact Apple Support.

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