How to check the originality of Xiaomi smartphone by serial number: the full guide 2026

Buying a Xiaomi smartphone in the secondary market or in unofficial stores always involves the risk of running into a fake. According to Counterpoint Research, up to 12% of the brand’s devices in some regions are counterfeit, ranging from low-quality copies to overstuffed gray machines (SN) and IMEI, But few people know how to use them properly.

In this article, we will examine all the official and hidden methods of verifying the originality of Xiaomi, including packaging analysis, software tests and the nuances of working with the Mi Account database. You will learn how to distinguish the Chinese version from the global version, why some β€œoriginals” do not pass verification, and what to do if the serial number is not found in the system.

1.Where to find the serial number and IMEI on Xiaomi

Before checking, you need to extract the device IDs correctly (SN) and IMEI They're duplicated in multiple places, but not all of them are reliable, like the battery sticker can be tampered with, and the data in the settings can be changed by firmware.

Official sources of identifiers:

  • πŸ“¦ The device box is the serial number and IMEI Note: counterfeits often have blurred fonts and the numbers don't match the phone's data.
  • πŸ“± Menu "About the phone" - the way: Settings β†’ The phone. β†’ General information (or all parameters) β†’ IMEI). On some models you need to tap 7 times on the version MIUI, to unlock hidden data.
  • πŸ”‹ Under the battery – on removable batteries (for example, Redmi). 9A) SN and IMEI They're duplicated on a sticker. They're on non-removable batteries (e.g., Xiaomi). 13T) β€” under the back cover (disassembly required).
  • πŸ“‹ Check or warranty card - official dealers have a serial number in the Mi Service database, counterfeits often go undocumented or with low-quality printouts.

πŸ’‘

If the serial number on the box and on the phone doesn't match, it's 100% fake, and even on the gray official devices (from China), it must match.

In some models (for example, POCO F5) IMEI may be indicated in two variants: IMEI1 (primary and IMEI2 (second-slot SIM). If the device supports eSIM, check it too. EID (Embedded Identity Document in the same settings.

2. Check through the official service Xiaomi

The most reliable way is to use the Mi Account database, and Xiaomi provides two official verification tools:

  1. Website mi.com/global/verify β€” It is available for global versions (Global) ROM). Enter the serial number or IMEI In the field and press Verify, the system will show the model, activation date and warranty status.
  2. The Mi Service app is available for Android/iOS. The barcode scanner from the box automatically checks the data against the database. Supports Chinese versions (China) ROM).

What do the results of the inspection mean:

StatusWhat does it mean?Action
βœ… ValidThe device is original, listed in the Xiaomi databaseYou can buy, but check the firmware region.
❌ InvalidSerial number not found or forgedStop buying – a high risk of counterfeiting
⚠️ ActivatedThe device has already been activated by another user.Check for theft through imei.info
πŸ”„ RefurbishedRefurbished device (was under repair)Check with the seller the history, the warranty may not work

πŸ’‘

If Xiaomi is making a β€œToo Many Requests” error, use it. VPN servers in Hong Kong or Singapore, bypassing regional restrictions.

Important nuance: Chinese versions (China) ROM) They don't always pass the global site check:

  • 🌏 Order.mi.com - Enter the site IMEI in the field of order (only works for devices purchased in official stores in China).
  • πŸ“± Mi Home app – the device profile displays originality status (requires binding to the Mi Account account).
πŸ“Š How often do you check the authenticity of your equipment before buying?
Always.
Only if I buy by hand.
Trust the salesman.
Not checking.

Packaging and configuration analysis

Fake Xiaomi often delivers poor-quality packaging, and the original boxes have clear signs:

  • πŸ“¦ The material is a thick, matte-coated cardboard, and for fakes, the box is thin, glossy, or rough.
  • πŸ–¨οΈ Print - the Mi logo is clear, no blurs. The barcode is scanned (check through barcode.lt).
  • πŸ”– Sticker with SN/IMEI β€” The original one is glossy, with microtext (see under the magnifying glass), and fakes often stick a crooked sticker or use plain paper.
  • πŸ”Œ Charger - the original power supply indicates the Model: MDY-11-ED (or similar) and power (e.g, 33W). Copies often lack marking or overpowered.

The original Xiaomi kit includes:

  • πŸ“„ Warranty card (for global versions) or Quality Certificate (for Chinese versions).
  • πŸ”§ Paperclip for the tray SIM (Counterfeiting is often plastic, not metal).
  • 🎧 Headphones (if provided by the model) – the original brand Mi and model are indicated.
Signs of a fake Xiaomi box
Counterfeiting often uses boxes from other models (for example, Redmi Note 10 in the package from Note 9). Also note: - No holographic sticker on the box (there are flagships). - The font mismatch on the label with the official (compare with the photo on the Xiaomi website). - No printed instructions (the originals always have it, even if it is brief).

Pay special attention to the barcode. On the original box, it matches the model of the device. UPC Database β€” if the model doesn't match, it's a fake. For example, the Redmi Note 12 barcode must start with 69415... (Chinese version) or 48970... (global version).

4. Software-based verification

Even if the serial number has been checked on the Xiaomi website, the device can be re-flashed or assembled from non-original components.

Code ##4636##

Enter the combination ##4636## (without the phone application) SIM-Check the phone information menu for the phone information:

  • πŸ“± IMEI β€” It should match the data on the box.
  • πŸ”„ The build number -- if it contains stable, it's official firmware. Labels like unofficial or test-keys are customized firmware.
  • πŸ› οΈ Battery status – if shown Unknown, the battery is unoriginal.

Annex Mi Check.

The official authentication app from Xiaomi (available in AppGallery or APKPure) After installation:

  1. Open the app and allow access to device information.
  2. Click Verify Device – the system will compare the data with the base Xiaomi.
  3. If the word β€œThis device is genuine” appears, the device is original.

β˜‘οΈ Checking through Mi Check

Done: 0 / 4

⚠️ Warning: some fakes emulate Mi Check's work, showing false results. Always cross the data with the check on mi.com.

Analysis of firmware through fastboot

For advanced users: connect your phone to your PC, start fastboot, and type in the command:

fastboot getvar all

Notice the lines:

  • serialno - must coincide with SN boxed.
  • product – model of the device (for example, cezanne for Redmi) K40).
  • Secure: if yes, the bootloader is locked (good sign).

5 How to distinguish the Chinese version from the global version

Many vendors offer Chinese versions (China) ROM) Global, although they have critical differences:

Sign.Chinese versionGlobal version
🌍 Firmware regionChinese/English onlyMany language support (including Russian)
πŸ“‘ Frequency LTESupport only for Chinese bands (for example, no support) B20)Support for European and Russian frequencies
πŸ”‹ ChargerPower supply on 10W (Even if the phone supports 33W)The complete unit corresponds to the declared capacity
πŸ›’ Google servicesGoogle Play is not available (Mi App Store installed)Google services pre-installed
πŸ“¦ The sticker on the boxInscriptions in Chinese onlyMultilingual marking (including Russian)

How to check the firmware region:

  1. Go to Settings β†’ About Phone β†’ MIUI version.
  2. Slip a few times on the line version MIUI, The Additional Features menu will be available.
  3. Select Region – if China is specified, CN Or Asia, it's the Chinese version.

πŸ’‘

Chinese versions of Xiaomi can not be officially reflashed to the global market MIUI. Attempt to install Global ROM will cause the loader to be blocked.

⚠️ Note: Chinese versions are often sold cheaper, but they are not certified for Russia/Europe:

  • πŸ“΅ Mobile communication problems (not all ranges) 4G/5G work).
  • πŸ”Œ Inability to repair official repairs under warranty in local service centers.
  • πŸ› οΈ Lack of security updates for your region.

Checking for counterfeiting by external signs

Even if the serial number passes all the checks, check the device for physical differences.

  • πŸ“ Size and weight β€” take the original model from a friend or in a communication salon and compare. 13 Lite weighs 171 (d) and counterfeiting is often easier to 10-15 s.
  • 🎨 Assemblance quality: - Gaps between the body and the screen (the original slit is not more than 0.1 mm). - Luft buttons (on fake buttons hum when pressed). - Uneven edge of the camera.
  • πŸ” Display: - The original AMOLED-screens (Xiaomi) 12T, Redmi K50) No backlights at the edges. - Colors on fakes are often oversaturated (check against a white background).
  • πŸ”Š Speakers: original stereo sound (check by closing the top and bottom speakers alternately.

Camera test:

  • πŸ“Έ Take a photo on it. 50MP (If it's supported, check the detail, fakes have blurry images even in good light.
  • πŸŒƒ Shoot video in the dark – the original Xiaomi uses night mode, and copies give a noisy picture.
How to check the originality of the battery
Open the back cover (if removable) and check: - The battery label must contain Made in China and the manufacturer's code (e.g., the manufacturer's code, ATL for Amperex Technology Limited. - The capacity on the sticker must match the declared capacity (e.g, 5000mAh For the Redmi Note 12 Pro+). - Fakes are often absent from the QR-code or it leads to a non-existent page.

7 What to do if the serial number is not found in the database

If a check on mi.com shows an Invalid serial number error, don't panic.

  • πŸ“¦ New device – sometimes data is loaded into the database with a delay (up to 2 weeks after the release of the batch).
  • 🌏 Regional Restrictions – Check the Chinese version at order.mi.com.
  • πŸ”§ Service repair – if the phone was in official service, SN It may have been changed (check the sticker under the battery).
  • ⚠️ Fake – if all checks have not passed, the device is counterfeit.

Actions for error:

  1. Check it out. SN Often, they are wrong in the symbols O (letter) and 0 (zero).
  2. Contact the seller and request a photo of the box with the serial number (there may be a typo in the ad).
  3. Use alternative services: πŸ” SNDeeP – Serial Number Base (works for most brands). πŸ“‘ IMEI.info - shows the model IMEI (even SN invalid).

If you have already bought a device and found it to be unoriginal:

  • πŸ“ž Contact Xiaomi Support Team (mi.com/support) with pictures of the box and IMEI.
  • πŸ›’ If you bought on the marketplace (AliExpress, Wildberries), open a dispute with a request for a refund.
  • πŸ“ Make a claim to the seller with a link to the check on mi.com (sample: download template).

8.Frequent questions about Xiaomi's checkout

❓ Can I check out Xiaomi for you? IMEI boxless?
Yes, IMEI You can find out: In the settings of the phone (Settings) β†’ The phone. β†’ IMEI). Using the code *#06# (dial in the phone app) on the sticker under the battery (if removable). IMEI on imei.info or mi.com.
❓ Why Xiaomi’s original website doesn’t pass the test?
Possible reasons: The device was released less than 2 weeks ago (data is not yet in the database). This is the Chinese version - check on order.mi.com. Serial number entered with an error (check symbols I, 1, O, 0 β€” SN could have been altered.
❓ How to distinguish the original firmware from custom?
Indications of the original MIUI: B Settings β†’ The phone is listed as Official or Stable, and no Test-keys are in the build information (#4636##). β†’ System update (not third-party apps) Mi Account, Mi Community and Mi Video apps are preinstalled. Custom firmware often has: Non-standard icons and themes; no Google services (unless it's a Chinese version); Unlocked in the bootloader information.
❓ What to do if you buy a fake Xiaomi?
Refund steps: Collect evidence: Photo of the box with the serial number, screenshot of the check on mi.com with an error, check or screenshot of payment, write to the seller demanding a refund (attach proof). If the seller refuses: On the marketplaces (AliExpress, Ozon) open the dispute. When buying from hand, file a complaint against the platform (for example, Avito or Yula). ⚠️ Don’t try to overdo the fake – it can finally put it out of action.
❓ Can I check out Xiaomi for you? MAC-address?
MAC-The address (such as Wi-Fi or Bluetooth) is not used to verify originality, but may help in some cases: MAC Start with the manufacturer's prefix (e.g, 78:59:3E for Xiaomi. MAC It matches the data on the box (if indicated), it's a good sign. MAC via macvendors.com – must be owned by Xiaomi Communications Co Ltd. However, this method does not replace the verification of the SN/IMEI.