How to Check the Temperature of Xiaomi Phone: Hidden Features and Apps

Overheating of the smartphone is one of the most common problems for Xiaomi owners, especially if we are talking about flagship models like Xiaomi 13 Ultra or Black Shark gaming. High temperatures not only reduce performance, but can lead to battery degradation or even hardware breakdowns. However, not all users know that checking the temperature on Xiaomi is possible without additional devices – just use the built-in MIUI tools or third-party utilities.

In this article, we will discuss 5 working ways to measure the temperature of the processor, battery and other components on any Xiaomi, Redmi or POCO smartphone. From hidden engineering menus to specialized applications, you will learn which methods are more accurate, which are safer, and what to do if the temperature exceeds the norm.

1. Check the temperature through the hidden menu ##4636##

The fastest way to know the temperature of the base chip and battery is to use the Android engineering menu, which works on all Xiaomi smartphones regardless of the MIUI version, but requires accuracy: improper actions in hidden settings can disrupt the stability of the system.

To open the menu:

• 📱 Open the phone app and enter the combination ##4636##.
• 🔧 In the window that appears, select Battery Information).
• 🌡️ Look at the Temperature bar – here the battery temperature is displayed in degrees Celsius.
• 🔍 For processor temperature, go to the Usage tab and find the section CPU.

⚠️ Note: Do not change other options in this menu unless you are sure of their purpose. For example, forced shutdown of the processor cores can cause the device to freeze.

💡

If the ##4636## combination doesn’t work, try entering it through Google’s Dial app (install it from Play Market).

2.Use of the built-in utility "Security App"

MIUI has a standard Security app that, in addition to virus protection, displays the temperature of key components, a method that is suitable for most Xiaomi, Redmi and POCO, Released models after 2019.

Instructions:

1. Open the Security app (the shield icon).
2. Go to Optimize or Accelerate (the name may vary depending on the version of MIUI).
3. Click on the icon. ⚙️ (settings) in upper right corner.
4. Select the phone temperature or the device status.
5. The system will show the temperature of the processor, battery and screen in real time.

🔹 Advantage: does not require root rights and does not affect the warranty, but on some models (e.g., root rights, POCO F3) This section can be hidden – in this case, the following method will help.

Check out MIUI updates in Settings → About the phone

Install the latest version of the Security app from the MIUI App Store

Restart your phone and try again.

Use an alternative method (see Section 3)

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Third-party applications: CPU Monitor, AIDA64, DevCheck

If the built-in tools don't show the temperature or you want to get advanced diagnostics, use specialized utilities. We tested three of the most reliable applications for Xiaomi:

📌 For most users, Xiaomi is the best choice. AIDA64 — It is free, does not require superuser rights and displays the temperature of all critical components, including the module. 5G and charger.

⚠️ Note: Apps like CoolTool or CPU Cooler Master promises to cool the phone by limiting performance, and in practice, this often leads to laggas in games and slowing down the interface, and it's better to use them only for monitoring, not for forced cooling.

AIDA64|CPU Monitor|DevCheck|CoolTool|Other/Do not use-->

4. Temperature check via ADB (for advanced users)

If you want to get the most accurate data or you're developing applications for Xiaomi, you can use ADB (Android Debug Bridge), which requires connecting your phone to a PC, but it allows you to get the temperature of all the sensors, including those hidden in the standard interfaces.

Instructions:

1. Turn on Developer Mode on your phone: go to Settings → About Phone and click on MIUI Version 7 times.
2. Return to Settings → Additional → For developers and activate Debugging over USB.
3. Connect your phone to your PC and open the command line (Windows) or terminal (macOS/Linux).
4. Enter the command:

adb shell


cat /sys/class/thermal/thermal_zone*/temp

The system will list the temperatures of all zones in millicelia (divide the value by 1000 to translate into °C). For example, 41000 = 41°C.

🔹 Decoding zones:

• thermal_zone0 — processor (CPU).
• thermal_zone1 — graphics-processor (GPU).
• thermal_zone2 — battery.
• thermal_zone3+ — additional sensors (camera, screen, communication module).

5. Diagnostics via Fastboot mode (for technical support)

If the Xiaomi phone is not turning on or is stuck in the boot cycle, but you need to know the temperature (for example, if you suspect a battery overheating), you can use Fastboot Mode. This method is suitable for service centers or advanced users, as it requires an unlocked bootloader.

Sequence of action:

1. Turn off the phone.
2. Press the Power button + Volume down before the Fastboot logo appears.
3. Connect the device to the PC and enter the command:

fastboot getvar all

In the conclusion, find the strings with the thermal or temp.

(bootloader) battery-temp: 35


(bootloader) cpu-temp: 42

⚠️ Note: If the battery temperature in the Fastboot exceeds 60°C, do not turn the phone on until it has completely cooled down.This could cause the battery to bloat or damage to the power controller.

Normal and critical temperature values for Xiaomi

To understand how serious the problem of overheating is, compare your phone readings with the reference values in the table below. Note that the norms depend on the model of the processor and the use case:

🔹 Features for Black Shark gaming phones: Due to active cooling, normal temperature CPU under load can reach 55-60°C without harm to the device, but if the value exceeds 70°C, it's worth checking the heatpaste.

💡

Temperatures above 60°C for the processor or 45°C for the battery are a cause for diagnosis, and prolonged overheating reduces battery life by 30 to 50 percent.

What to do if Xiaomi phone overheats?

If your Xiaomi’s temperature is regularly out of the normal range, follow this algorithm:

1. Close the background applications: Use Security → Optimization to clean RAM.
2. Remove the case: Dense silicone or metal covers worsen the heat sink.
3. Disable unnecessary modules: 📶 Settings → SIM-maps and mobile networks → Mobile Internet (turn off) 5G, if not) 📡 Settings → Wi-Fi → Additionally. → Power saving mode Wi-Fi (turn on) 📍 Settings → Location → Regime. → Device only (turn off) GPS)

Limit your productivity:

Settings → Battery → Performance mode

Balanced

Energy conservation

Check the charger:

Update:

MIUI

Black Shark

⚠️ Warning: If the battery temperature exceeds 50°C standby (no load), immediately turn off your phone and call a service center.This may indicate a battery failure or short circuit.

💡 Advice for gamers: On phones POCO F3/F4 redmi K40/K50 manually limit FPS In games through the Game Turbo, it's going to reduce the load. GPU and reduce the heat by 10–15°C.

FAQ: Frequent questions about Xiaomi's temperature