Where to find a serial number on a Xiaomi TV: official and hidden ways

Xiaomi’s TV serial number is a unique identifier that can be used for warranty service, authentication, firmware updates or recovery after a crash, but it’s not always easy to find: the manufacturer hides the markings in different places depending on the model. TV 4A, Mi TV Q1, Redmi Smart TV) In this article, we'll look at all the ways that we can do things, from the obvious (on the box and on the menu) to the hidden (through the engineering menu and the computer). ADB-team).

Xiaomi TVs have a feature that can be duplicated in multiple places but not always the same format, such as the S/N on the back sticker, and the Serial Number on the system settings, which may differ by the last characters, and we will explain which one to use for warranty repairs and which to unlock the bootloader.

If you bought a TV from hand or lost your documents, checking the serial number will help you make sure that the device is not blacklisted (for example, after theft) and is not a fake, and if you contact a Xiaomi service center without this number, you will be denied free repairs - even if the warranty period does not expire.

1.Where to look for serial number on TV body

The safest way to do this is to look at the TV itself, and the manufacturer labels it with three possible seats, but the location of the boxes depends on the model and the year it was released.

• 📺 Rear cover: on most models (Mi) TV 4S, Mi TV 5) serial number on a white or silver sticker next to ports HDMI. Look for the inscription. S/N or Serial No..
• 🔍 Related: On some versions (Mi) TV Q2, Redmi X50) The number is duplicated on the bottom of the stand - you will have to carefully turn the TV over.
• 🔌 Near the connectors: models with a thin body (Mi) TV P1, Mi TV ES) The marking can be hidden under a plastic stub next to the antenna entrance.

If the sticker is erased or missing, try flashlighting it — sometimes laser-painted on plastic. On Xiaomi 2020-2026 TVs, the serial number is 14-16 characters (digits and Latin letters), such as the G7N4C20A1234567.

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If the sticker is damaged, take a photo of it from different angles – sometimes the number is restored with the help of graphic editors (for example, increasing contrast in Photoshop).

2. Check through the TV settings menu

If the TV is turned on, the serial number can be found in the system settings. This method works on all Xiaomi models with MIUI TV or Google TV (for example, Mi TV A2, Xiaomi TV 65).

1. Turn on the TV and press the Settings button on the remote.
2. Go to the Settings section → About TV → General information.
3. Scroll down to the Serial Number block.

On some firmware, the path may differ:

• 📱 For MIUI TV: Settings → System system → On TV. → Status.
• 🖥️ For Google. TV: Settings → The device → Information → Serial number.

Note that the menu may display a different number than the sticker. This is normal, it's software generated and used for software updates. You need an S/N from the case to guarantee it!

3. How to find the serial number through the remote (hidden menu)

If the standard menu doesn’t show the serial number (like after a reset or on custom firmware), try calling an engineering menu, which works on most Xiaomi models, but requires precise command input.

Instructions for MIUI TV:

1. On the remote, press sequentially: Menu → Settings → All Settings → General.
2. Select Device Preferences → About → Status.
3. Scroll to Serial Number – the full number can be displayed here, including IMEI (for models with Wi-Fi 6 module).

For Android TV 9+ (e.g. Mi TV Q1 2023):

1. Press on the Home + Back remote for 5 seconds.
2. In the menu, select Device Information.
3. The serial number will be in the S/N or BT Address line (the last 12 characters).

4. Check through ADB (for advanced users)

If the TV is not turned on or the serial number is erased, you can extract it through Android Debug Bridge (ADB). This method requires a PC, USB-cable and enabled debugging by USB. Suitable for all Xiaomi models on Android TV.

Step-by-step:

1. Download ADB Tools and unpack it into a folder on your PC.
2. On your TV, turn on USB Debugging: Go to Settings → About TV. Press 7 times on Build Number to activate Developer Mode. Return to Settings → Additional → For Developers and enable USB Debugging.

USB 3.0

adb devices

There should be a device with a serial number.

adb shell getprop ro.serialno

or

adb shell cat /sys/class/dmi/id/product_serial

If the command returns an empty string, try an alternative method:

adb shell settings get secure android_id

This identifier is not a serial number, but can be used to link to a Xiaomi account.

Debugging is on. USB|Drivers installed ADB PC-only|Used by the original USB-cable|TV connected to port USB 3.0|Command Prompt Launched on behalf of Administrator-->

5. Checking the serial number on the box and documents

If the TV is not unpacked or you have saved the box, the serial number can be found on:

• 📦 The sticker on the box: usually on the end or bottom. S/N or Serial Number next to the barcode.
• 📄 Warranty card: in the column "Serial number of the device".
• 🛒 Check or invoice: if you bought in the official store (Mi Store, Messenger, M. Video), the number can be indicated in the electronic check.

Important: The serial number on the box and in the documents must match the one on the TV.

• 🔄 Repackaging (TV could be returned and sold again).
• 🚨 Fakes (especially for Mi models) TV 4A, often-fake).
• 🔧 Repair with replacement of the motherboard (in this case, the number on the case remains old, and in the system - updated).

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If the serial numbers on the box and the TV do not match, contact the store for a replacement - this is a violation of the law "On protection of consumer rights" (Article 18).

6. Decoding of the Xiaomi TV serial number

Xiaomi TV serial number contains coded information about the model, production date and region. Consider the structure using the example of the number G7N4C20A1234567:

The first symbols can determine the authenticity of the TV:

• 🔹 If the factory code starts with G, H or K, the device is original (factories in China, India, Malaysia).
• 🔸 L, M or P codes are a sign of a “gray” delivery or forgery (often found in unofficial sellers).

To verify authenticity, enter the serial number on Xiaomi's official website. If the system detects an Invalid S/N error, this may mean:

• 🔧 The TV was under repair with a replacement fee (the number is not updated in the database).
• 🚫 Device blacklisted (stolen or blocked).
• 🛠️ Fake (especially for cheap Redmi models) TV).

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If the serial number doesn’t pass the site check, contact Xiaomi support via the chat in the Mi Home app – sometimes the databases are updated with a delay.

7. Frequent mistakes and how to avoid them

When searching for a serial number, users often face typical problems.

⚠️ Never use a serial number from a site like a generator. S/N" — This will lock the device in Xiaomi's system, and fake numbers can be easily calculated when you check the warranty.

• 🔍 Number erased from sticker → Try to wipe it with alcohol (sometimes the ink comes out) or use it. ADB.
• 📵 The TV's off. → Check the number on the box or check. If there are none, contact the service with the device's passport (can help). IMEI module).
• 🔄 The number on the menu and on the body are different → Use it for guarantee. S/N The number in the system may change after the updates.
• 🚫 Xiaomi website does not accept the number → Make sure you enter the characters in the correct register (e.g., O and 0 are easily confused).

If you bought a TV with your hands, be sure to check:

1. Does the number match on the case and in the documents?
2. Is there any device in the database of stolen gadgets (according to IMEI, if any).
3. Have you blocked your Mi Account (try to log in to Mi Home)?

⚠️ Warning: When buying a Xiaomi TV on Avito or Yula, demand a photo of the serial number on the case before payment. Fraudsters often sell devices with fake stickers, and the original number is hidden.

FAQ: Answers to Frequent Questions