If you own a Xiaomi, Redmi or a smartphone POCO, I'm sure you've noticed a mysterious app called the com.miui.manual on the installed software list, pre-installed on all shell devices. MIUI, But many users don't understand its purpose, some view it as a useless ballast, others as a hidden diagnostic tool, and some even try to remove it for fear of spyware.
In fact, the Handbook is Xiaomi’s official system app, which performs several functions, from storing instructions for using a smartphone to providing technical information about the device. In this article, we will discuss in detail why you need the Handbook on Xiaomi, how to use it, and why it should not be removed for no good reason, and you will learn about the hidden features of the program that can be useful when setting up or repairing the phone.
What is the application “Handbook” on Xiaomi and why it is needed
Annex "Directory"** (in English version) MIUI This can be called a User Guide or Manual, which is a built-in assistant that contains a user guide:
- 📖 Official instructions for using a smartphone (from basic functions to hidden chips) MIUI).
- 🔧 Technical specifications of your model (processor, memory, supported networks, etc.).
- 🛠️ Troubleshooting Guides (what to do if the phone doesn’t turn on, doesn’t charge, etc.).
- 📱 Links to useful services (Mi Cloud, Find Device, support for Xiaomi).
Unlike paper instructions, which are often lost, this directory is always at hand and updated with the firmware. MIUI Game Turbo 5.0 is now available, and the description will be automatically added to the app, which is especially useful for beginners who are just getting acquainted with the Xiaomi ecosystem.
It is important to understand that the “Directory” is not easy. PDF-It's a file with an instruction, and it's an interactive tool:
- 🔍 Show relevant data about your device (such as version) MIUI serial number).
- 📲 Redirect to phone settings with one tap (for example, directly from the section on setting up Wi-Fi).
- 🌐 Support multiple languages, including Russian (if installed in the system).
Where is the Xiaomi Handbook and how to open it
Find the application can be in several ways:
- Through the App Menu: Flick through the list of installed programs – the icon is called the Guide (or User Guide) and looks like a book with a logo MIUI.
- Through Search: Swipe down the main screen to open the search bar and type in “Handbook”.
- Through Settings: Go to Settings → The phone. → Reference (on some models, the path may be different).
If you didn't find the app, it might be hidden.
- Open Settings → Applications → Application Management.
- Slip on three dots in the upper right corner and select Show All Apps.
- Find com.miui.manual in the list and turn on the display.
On some firmware (e.g, MIUI Global or MIUI EU) This is not a mistake – Xiaomi sometimes optimizes the composition of pre-installed programs for different regions.
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If you have custom firmware (like LineageOS), the Handbook may not work or not display correctly, in which case it is better to use the official instructions on the Xiaomi website.
What information can be found in the “Handbook” Xiaomi
The content of the application depends on the phone model and version. MIUI, But in most cases, there are the following sections:
| Section | What's inside | Example of data |
|---|---|---|
| 📱 About the device | Technical specifications, serial number, version MIUI Android | Snapdragon 8 Gen 2, 12GB of RAM, MIUI 14.0.5 |
| 🔋 Battery and charging | Charging recommendations, types of supported adapters, how to extend battery life | Supports 120W HyperCharge, Do not use damaged cables |
| 📶 Communications and networks | Setting up Wi-Fi, mobile Internet, Bluetooth, SIM-map | How to turn it on 5G, Setting up the access point |
| 🔒 Security | Instructions for screen locking, fingerprints, Face Unlock | How to add a fingerprint, set up a safe folder |
| 🎮 Games and productivity | Optimization for games, Game Turbo setup, cooling | How to turn on performance mode, Setup FPS play |
The Troubleshooting section is especially useful** – there are step-by-step instructions for problems:
- 🔄 Phone does not turn on (what to do if you are stuck on the logo) MIUI).
- 🔋 Not charged (check cable, adapter, port).
- 📶 No network (setup) APN, modem-boot).
- 🔊 Sound problems (speaker check, 3.5mm connector cleaning).
In some versions MIUI The Handbook even has video instructions showing you what you're doing, which is handy if you prefer visual learning.
How to find hidden technical data in the "Handbook"
Can I remove the “Handbook” from Xiaomi and what will happen if I do it?
Technically, you can remove the app, but it's not recommended for no good reason.
⚠️ Warning: Removing system applications can lead to unstable work MIUI, If you are not an experienced user, it is better not to risk the risk of updating or even "brick" the phone.
Methods of disposal:
- Through ADB (for advanced users):
- With root rights (requires unlocked bootloader and Magisk).
- Through third-party software (such as System App Remover), but it is risky.
Consequences of disposal:
- ❌ Quick access to official instructions and technical data will disappear.
- ❌ Certain functions MIUI (For example, network diagnostics may not work properly.
- ❌ When updating the firmware, the application can be restored automatically.
If the Reference takes up too much space (which is unlikely – it usually does not exceed 10-20 MB), it is better to turn it off rather than delete:
- Go to Settings. → Annexes → Handbook.
- Click Disable (the app will disappear from the menu, but will remain in the system).
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Deleting the Handbook won’t free up a significant space on the phone, but it can cause problems when contacting the Xiaomi service center – there is often check the integrity of system files.
Hidden functions of the "Directory", which few people know
Many users find the Guide useless, but in fact there are a few hidden features:
1. Authentication of the device
In the About Device section, you can see Authenticity status, and if it says Official, it means that the phone has the original firmware, which is useful when buying used Xiaomi to avoid counterfeiting.
Test of equipment
In some versions MIUI (For example, on Xiaomi. 12T Redmi Note 11 in the "Directory" has a built-in test:
- 🔋 Battery check (capacity, charging cycles).
- 📱 Sensor test (gyroscope, accelerometer, proximity sensor).
- 🎤 Microphone and speaker checks.
It is convenient for quick diagnosis before sale or repair.
3. Links to hidden settings
Some sections have buttons like Open Settings that lead directly to the desired menu. NFC You can go with one tap to Settings → Connections → NFC, don't search for it manually.
Information on the guarantee
New devices can display warranty status and expiration date in the Handbook, which is relevant for countries where Xiaomi officially provides warranty service (for example, in Russia or the EU).
Open the section "About the device"|Tap 5 times on the version MIUI for extended|Check the status of "Authenticity"|Run a test of equipment (if available)|Save a screenshot of technical data for the warranty case-->
Alternatives to the “Handbook” Xiaomi: where else to look for instructions
If for some reason you can not use the built-in "Handbook", here is where you can find official information:
1.The Xiaomi Support Site
Go to the official website, select your model and download PDF-Minus: documentation is often updated with a delay.
2.Appendix Mi Community
In the official community of Xiaomi there is a section with FAQ You can ask a question and get an answer from other users or moderators.
3. Xiaomi YouTube channel
The official channel has video instructions for setting up new features, like the ones that show you videos about the new features. MIUI 14, HyperOS or Mi Smart Home setup.
Third-party resources
On forums like 4PDA or XDA Developers can find detailed guides to specific models, but beware - not all tips there are safe.
⚠️ Warning: Don’t trust instructions from lesser-known sites, especially if they suggest “hacking” or “optimizing» MIUI. This can result in a loss of warranty or a breakdown of the phone.
Frequent problems with the "Directory" and how to solve them
Sometimes the app doesn't work properly. Here are the problems and their solutions:
| Problem. | Possible cause | Decision |
|---|---|---|
| "Directory" doesn't open | Failure to work MIUI or corrupted application files | Clear the cache in Settings → Annexes → Handbook. → Memory. |
| Displayed in a foreign language | System language not supported or settings are lost | Install Russian in your phone settings or update your firmware |
| No data on the device. | The app has not been updated or the phone with custom firmware | Update. MIUI Up to the latest version or reinstall the "Handbook" through the Mi App Store |
| The app disappeared after the update | Xiaomi optimized the composition of system programs | Check availability in Settings → Annexes → Show it all or download it. APK official website |
If none of these methods worked, try:
- Reboot the phone.
- Reset the application settings in Settings → Annexes → Handbook. → Drop it.
- Contact Xiaomi via Mi Community or live chat.