How to find out the full characteristics of the Xiaomi smartphone: from the processor to sensors

Have you bought a used Xiaomi Redmi Note 12 and doubt that the seller has honestly specified the configuration? POCO X5 You may have forgotten which version of memory is installed in your Mi 11 Ultra after a year of use. In any case, knowing the exact characteristics of the smartphone is critical – performance, compatibility with games and even the cost of resale depend on this.

In this article, we’ll look at all the ways Xiaomi can verify technical data, from standard Android menus to hidden engineering codes, how to distinguish the original firmware from custom, where to see the actual battery capacity (rather than the one on the sticker), and why data from different sources may differ, and focus on methods that work even on locked or faulty devices.

1. Android Standard Settings: Basic Information

The easiest way is to look at the system menu. It does not require installing third-party apps and works on any Xiaomi smartphone, regardless of the version. MIUI. Here's what I can find out:

• 📱 Model of the device – the exact name (for example, Redmi Note 11 Pro) 5G instead of the abstract "Xiaomi").
• 🔢 Version. MIUI Android – the relevance of firmware and the availability of updates.
• 💾 Memory volume – separately for internal storage and RAM (RAM).
• 🔋 Battery condition – only total percentage of wear (without detailed diagnosis).

To open this menu:

1. Go to Settings. → The phone.
2. Tap several times on the item version MIUI, to unlock Developer Mode (optional, but useful for other methods).
3. Go back and select All Features or Features of the Equipment.

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If there is no “All characteristics” item in the “About Phone” section, try the path: Settings → System system → Advanced settings → The phone. → Characteristics of equipment.

⚠️ Note: This menu does not display critical parameters such as:

• CPU type (e.g. Snapdragon 8 Gen 2 vs Dimensity 9000)
• The actual capacity of the battery (may differ from the factory capacity) 10-15%).
• The presence of non-original components (for example, a replaced camera).

2. Engineering menus and secret codes

For deep diagnostics, Xiaomi uses hidden service menus available through the USSD-These commands work even without the Internet and do not require root rights:

🔹 How to use: Open the Phone app, enter the code and press the call. To exit the engineering menu, use the Back button.

⚠️ Warning: Do not change the settings in the engineering menu unless you understand their purpose! RF (Radio frequency can cause network loss.

3. Diagnostic applications: CPU-Z, AIDA64, DevCheck

Standard menus and codes give limited information, and for full analysis, we'd better use specialized tools. 5 popular applications and selected the top-3:

• 📊 CPU-Z — shows the processor model, core frequencies, information about GPU Free, no advertising, no sensors.
• 🔍 AIDA64 — The most detailed report (including component temperature and benchmark) is paid, but there is a trial version.
• ⚡ DevCheck – user-friendly interface with data visualization (for example, use schedules) CPU).

🔹 How to use it:

1. Install the app from Google Play.
2. Open the System or Hardware section.
3. Note the points: Processor – chipset model (for example, Qualcomm) SM8475 = Snapdragon 8+ Gen 1. Memory is the real volume RAM (Battery is the actual capacity (e.g., 4850 mAh instead of the declared 5000 mAh).

Processor model (SoC)

Architecture of nuclei (Cortex-A78, Kryo 680 etc.)

RAM volume (RAM)

Screen type (resolution, refresh rate)

Battery status (Health)

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⚠️ Note: Apps may show incorrect data on smartphones with:

• Castom firmware (for example, LineageOS).
• Fake iron (for example, a substituted battery).
• Root rights (some parameters are hidden for security)

4.The official site of Xiaomi: check by serial number

If you want to verify the authenticity of the device or find out the original characteristics (before modifications), use the services of Xiaomi:

1. Search by model: Go to the official website. type the model name in the search (for example, Redmi). K50 Gaming. Compare the data to what your phone shows.
2. Checking by IMEI/serial number: Find IMEI on the box or in the settings (about the phone) → General information → IMEI). Enter it on the authentication page, and the system will show the activation date, region and warranty status.

🔹 What can I find out:

• 📅 Date of first turn on (useful for checking used phones).
• 🌍 Firmware region (Global, China, India, etc.).
• 🔄 Warranty status (relevant for devices under 2 years old).

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If the website shows that the warranty has expired and the phone has been purchased recently, it is a sign of counterfeit or “gray” imports.

⚠️ Note: Xiaomi service does not show:

• Current state of the battery or screen.
• The actual memory capacity (only factory configuration)
• The presence of non-original spare parts (for example, a replaced motherboard).

5. Verification through ADB: for experienced users

If standard methods do not help, you can connect to the smartphone through ADB (Android Debug Bridge, and request data directly, which requires the developer mode to be enabled and USB-Debugging, but gives the most accurate information.

🔹 Step-by-step instruction:

1. Install ADB Tools on your PC.
2. Connect Xiaomi to USB and allow debugging.
3. In the command line, type: adb shell getprop ro.product.model – will show the exact model of the device.
4. For memory check: Adb shell cat /proc/meminfo | Grep MemTotal – will display the real volume RAM kilobyte.

🔹 Useful teams:

⚠️ Attention: Use ADB Unlocked bootloaders (bootloaders) can lead to:

• I'll reset data with incorrect commands.
• Lock the device (if Mi Account protection is enabled).
• Loss of warranty (when changing system files)

6. Comparison of characteristics with analogues: why data may differ

You checked the phone in every way you could, but the data is not going well? That's okay -- and here's why:

• 🔄 Regional differences: Same Xiaomi 12T It may have different processors in China (Dimensity) 8100-Ultra) and Europe (Snapdragon 8)+ Gen 1).
• 🔋 Battery degradation: After a year of use, the capacity falls on the 10-20%. Applications show the current value, and the site is factory.
• 🛠️ Repairs or modifications: A replacement motherboard, camera, or screen may have other characteristics.
• 🤖 Optimization MIUI: The system reserves a part RAM (up to 2 GB) for background processes, so "available" is always less "installed".

🔹 How to know which data is correct?

1. Compare the figures from 3 independent sources (e.g, CPU-Z + engineering menu + website).
2. Note the logical inconsistencies: If the Redmi Note 10 Pro shows the Snapdragon 888 processor, it’s 100% fake (the original is Snapdragon). 732G). If the battery capacity exceeds the factory capacity (for example, 5500 mAh instead of 5000 mAh), most likely, the battery is replaced with a non-original one.

7. Check used smartphones: red flags

If you are buying Xiaomi with your hands, these signs should alert you:

Check it out. IMEI on the official website (must match the box)

Run the camera test in the engineering menu (#6484##)

Make sure the serial number on the box and settings match

Check the status of the battery in AIDA64 (Health < 80% bad)

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🔴 Top.-5 sign:

1. Discordance IMEI on the box and on the phone - a sign of a re-stitched or stolen device.
2. The lack of the original box is a high probability that the phone is stolen or assembled from spare parts.
3. Prices too low (30 percent below market) – often masking defective devices (e.g., with a broken pixel or a broken pixel) NFC).
4. The seller’s refusal to test through an engineering menu or ADB.
5. Having root rights – could mean that the phone was used for mining or was unlocked to bypass restrictions.

🔹 How to check the history of the device:

• Ask the seller for checks or a warranty card.
• Check the date of the first inclusion through the official Xiaomi website.
• Use services like Swappa to check out IMEI lock-in.

FAQ: Frequent questions about Xiaomi's features