: A non-invasive method is using a laser thermometer to check the exhaust heat at the back of the console.
: If a PS4 reaches dangerous levels, it will display a notification stating "The PS4 is too hot" and automatically shut down to prevent permanent damage. Ideal Operating Temperatures
If your PS4 is running the latest official firmware, you cannot download a software-based temperature app. Instead, you must rely on physical indicators and external hardware:
Monitoring your PlayStation 4's temperature is critical for longevity, as the console is notorious for loud fans and overheating during intensive gaming. While the standard Sony system software does not offer a built-in temperature gauge, there are specific homebrew "downloads" and hardware methods available for power users to track and manage thermal performance. How to Download and Use PS4 Temperature Monitoring Tools
: This is the most popular utility for jailbroken systems. You can find the latest version on community-driven sites like PKG-Zone or PSX-Place . Once downloaded and installed via a USB drive, it displays the current temperature in Celsius and Fahrenheit.
For users with a jailbroken console, specialized homebrew applications can display real-time APU (Accelerated Processing Unit) temperatures and even allow for custom fan control.