Xiaomi's serial number is a unique identifier that can be used for warranty service, unlocking the bootloader, checking the originality of the device or recovering from a reset. Without it, you can't authenticate the device at the service center, activate some of the features of MIUI or even sell the gadget in the secondary market. But where to look for it if the sticker is erased and the phone doesn't turn on?
In this article, weβll look at all the official and hidden ways to find out the serial number on Redmi, POCO, Mi, Mi TVs and other Xiaomi devices β from standard methods through settings to engineering commands and disassembly of the case. And also explain why some methods may not work on devices with custom firmware or after hardware repairs.
1. How to see the serial number on a working Xiaomi smartphone
If your Xiaomi, Redmi or POCO is switched on and running smoothly, you can find the serial number in seconds without any additional software or disassembly.
- π± Through System Settings: Go to Settings β The phone. β General information. Scroll down to the Serial Number block (sometimes hidden under Model Information item).
- π In the menu "About the phone": on some models (for example, POCO F5 Redmi Note 12 - The series is duplicated in Settings β The phone. β All characteristics.
- π Through information about SIM-map: enter the dialer code ##4636##, then go to the Device Information tab.
On phones with MIUI 14 and later, the path may be slightly different: sometimes the serial number is hidden in Settings β Additional β Special features β Device information. If you donβt see this item, update the firmware β in older versions of MIUI, the interface was less structured.
β οΈ Note: On devices with an unlocked bootloader or custom firmware (such as LineageOS), the serial number in the settings may not display correctly.
2.Where to look for serial number on a phone that is turned off or broken
If the smartphone doesn't turn on, the screen is broken, or the Mi logo is getting stuck, you can still find out the serial number -- it's written in several physical places.
- π·οΈ Under the back cover: on most models (e.g. Redmi) 9A or POCO X3 Pro) serial is placed on a sticker under the removable lid, next to the slot for SIM-Carefully tuck the lid with a plastic card.
- π¦ On the device box: the original Xiaomi packaging always contains a sticker with the serial number, IMEI and MAC-Look for it on the bottom of the box or under the film.
- π Under the battery: on older models (until 2019), the serial was duplicated on a sticker under the battery. On new devices (for example, the Redmi Note 11), this method does not work - the battery is non-removable.
- π In the warranty card: if you have kept the documents, the serial number is shown at the top of the ticket next to the date of sale.
If the sticker under the lid is erased or the box is lost, try to find the serial through your Mi Account account.
- Sign in at account.xiaomi.com.
- Go to the Devices section.
- Select your smartphone β the serial number will be in the Device Details block.
β οΈ Warning: If the phone was bought by hand and not tied to your Mi Account, this method will not work, in which case you only have to disassemble the device or contact the service center with a check.
Turn off the power (if the phone is getting stuck)
Prepare a plastic card to remove the lid
Check the box and documents
Have a magnifying glass on hand (the serial can be small)
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3.Serial number on Xiaomi Mi TVs and smart devices
Smart TVs like Mi TVs, robot vacuum cleaners like Mi Robots, or Yeelight lamps have serial numbers, but you need to look for them differently.
| The device | Where to look for a serial number | Example of model |
|---|---|---|
| Mi TV TV TV | Sticker on the back or in Settings β About TV | Mi TV Q2 55" |
| Robot vacuum cleaner Mi Robot | Under the battery compartment cover or in the Mi Home app | Xiaomi Mi Robot Vacuum-Mop 2 Pro |
| Yeelight smart lamp | On the case under the base or in the lamp settings in Mi Home | Yeelight LED Ceiling Light |
| Fitness bracelet Mi Band | On the back of the case (under the sensor) or in the Zepp Life app | Xiaomi Smart Band 8 |
For Mi TVs, you can also find the serial number through the service menu.
- Turn on the TV and on the remote, press sequentially: Menu β Settings β Support β System Information.
- Scroll down to Serial Number.
- If the menu is in English, look for the Serial Number.
On some models (e.g. Mi TV A2 43), the serial is duplicated in Settings β Device β About TV β General information. If the TV is not turned on, look for a sticker on the back β usually located next to the HDMI ports.
What to do if the serial number on the TV is erased?
4. How to find the serial number through a computer (ADB and Mi Flash)
If the phone turns on but doesn't respond to the sensor, or you just prefer computer methods, you can pull the serial number out via ADB (Android Debug Bridge) or the Mi Flash Tool.
For the ADB method, you will need:
- Install ADB-PC drivers.
- Enable USB Debugging on your phone (Settings β About Phone β MIUI version β tap 7 times, then go back to Additional β For Developers).
- Connect the phone to your computer and enter in the command line: adb shell getprop ro.serialno
If USB debugging is disabled and your phone doesnβt respond to touch, try Fastboot mode:
- Turn off the phone.
- Press the Power button + Volume down before the Fastboot logo appears.
- Connect to your PC and type in the command: fastboot getvar serialno
For devices with a locked bootloader, the Mi Flash Tool program is suitable:
- π₯οΈ Download Mi Flash from Xiaomiβs official website.
- Connect the phone to Fastboot mode.
- The serial number will appear in the Device ID line.
β οΈ Note: If you have never worked with ADB or Fastboot, it is better not to take risks - the wrong commands can lead to a data reset or lock the device.
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If the phone is not identified in the Mi Flash Tool, try using another one. USB-You can have a cable or a port on your computer. Sometimes the driver problem is, install Mi. PC Suite for automatic configuration.
Verification of serial number for authenticity
Xiaomi serial number can be checked for originality, which will help to identify a fake or a device assembled from spare parts ("Frankenstein").
- Go to the official checkout site: mi.com/global/verify.
- Enter the serial number, IMEI or MAC-address (if required).
- The system will show the device model, the date of production and the status of the warranty.
Pay attention to the following signs of counterfeiting:
- π© The serial number begins with 000, 111 or repeating numbers.
- π© Xiaomi doesnβt have a device on its website, although the phone is working.
- π© The number on the box and in the settings of the phone does not match.
- π© The test results indicate a model that does not match your device.
If you buy Xiaomi with your hands, be sure to check the serial number before payment.Crooks often sell phones with re-adhesive stickers or firmware that mimic the original MIUI. In this case, the warranty does not work, and some features (such as IR Blaster or NFC) may not work.
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Official verification on Xiaomiβs website is the only reliable way to verify the authenticity of the device, and third-party services (such as IMEI.info) may show inaccurate data.
6. Frequent problems and solutions
Sometimes the serial number can't be found in the standard way.
| Problem. | Possible cause | Decision |
|---|---|---|
| The serial number in the settings is displayed as unknown | Custom firmware or reset EFS-section | Use an ADB or physical sticker |
| The sticker under the lid was erased. | Prolonged use or exposure to moisture | Check the box, warranty card or Mi Account |
| No serial number found on Xiaomi website | Fake device or input error | Check the symbols, compare with the sticker |
| Phone is not turned on, no documents | Hardware failure or loss of data | Contact the service center with a check of purchase |
If you are faced with a situation where the serial number has been changed (for example, after repairing the motherboard), it can only be restored through the Xiaomi service center. IMEI.
On some models, like the Redmi Note 10 Pro, the serial number is written in the NVRAM, a special partition of memory, and if it is damaged, the number can be reset after flashing, in which case only soldering the chip or changing the board will help.
7.Why You Need a Xiaomi Serial Number: 5 Practical Applications
Many users underestimate the importance of a serial number until they encounter problems, and here are the situations in which they may need it:
- π§ Warranty repair: without a serial number, the service center will refuse free service, even if the production defect is not valid.
- π Unlock the bootloader: for an official anlock through the Mi Unlock Tool, you need to link the device to the serial account.
- π‘οΈ Authentication: Only by serial number can you make sure that the phone is not fake (especially relevant for the phone). POCO redmi).
- π¦ Reset recovery: In hard reset, some features (like Find My Device) require serial confirmation.
- π° Secondary Market Sale: Customers often check the serial number through Xiaomi Verify to avoid fraud.
In addition, a serial number may be required for:
- Activation of promo codes on official accessories (for example, wireless headphones Redmi Buds).
- Participation in beta testing of firmware (MIUI Pilot program).
- Get technical support through the chat Xiaomi.
If you plan to sell or transfer your Xiaomi, we recommend that you take a picture of the serial number in advance from the sticker and settings, which will save you from problems with authentication in the future.