You bought a Xiaomi Redmi smartphone, but you canβt find it on it. QR-Or did you have to scan a factory tag to guarantee, activate services or restore data? This problem is familiar to many users: the manufacturer does not always place the code in a prominent place, and in the settings it hides in non-obvious sections.
In this article, we will discuss all possible places where it can be stored. QR-code on your Redmi β from a physical sticker on the case to hidden system menus MIUI. You'll learn how to find code on new and old models, what to do if it's erased, and how to back it up in case you lose it. QR-Xiaomi codes may not be scanned and how to fix it.
Note: on different Redmi models (for example, Note 12, 10C or 9A) So we've put together universal ways that work on most of the brand's devices. If your model is released after 2023, look at the digital part. QR-code-in MIUI β It often hides the most relevant data.
1. Physical places: where to look QR-box-code
Let's start with the obvious, the physical tags that the manufacturer puts on most Xiaomi Redmi smartphones. QR-The code is duplicated in several places, but it is not always noticeable.
The first thing you need to check is a phone box, and it usually has a sticker with a serial number on it (S/N), IMEI and QR-The latter may contain a link to the official Xiaomi website with information about the model or data to activate the warranty:
- π¦ End end (where characteristics are indicated)
- π·οΈ Sticker under the film (sometimes it is peeled off when unpacking)
- π Guarantee card (if attached)
If there's no box, check out the smartphone itself. On newer Redmi models (like Note 13 Pro)+ or 12T) QR-code:
- π Under the back cover - on the battery or inside of the case (disassembly is required).
- π± Nana SIM-tray β some models have a miniature code next to the card connector.
- π On the battery - if it is removable (relevant for old Redmi) 4A/5A).
β οΈ Note: On models with a non-removable battery (for example, Redmi Note 11) disassemble the phone for search QR-In such cases, use software methods (see the following sections).
If you find the code but it is not scanned, try:
- π¦ Light up with a flashlight - sometimes the code is applied with low-contrast paint.
- πΈ Capture and enlarge the image on your computer.
- π Use alternative scanning software (e.g. Google Lens instead of a standard scanner) MIUI).
2. System settings: where is stored QR-code MIUI
If the physical code is missing or it is erased, donβt despair β MIUI It stores a digital copy of it in several sections, so you know where to look, and let's start with the most reliable method.
Method 1: About the Phone menu
This is a universal way for all Xiaomi Redmi models on the MIUI 12/13/14:
- Open the Settings. β The phone.
- Tap on All Features (or General Information on Older Versions).
- Scroll down to Status or Device Status.
- Find a point. QR-Device code (may be called Warranty Information).
If this is not the case, try an alternative route:
Settings β Additional β Special features β QR- Device codeMethod 2: Google Menu (for models with Google services)
On some firmware QR-The code is duplicated in the settings of the Google account:
- Go to Settings. β Google β Device and sharing.
- Select Device Information.
- You can see it at the bottom of the screen. QR-phone-code.
Method 3: Hidden Menu of Engineering Codes
For advanced users: some Redmi models allow you to get a QR-code through the engineering menu:
- Open the Phone app.
- Enter the combination: ##4636###.
- Go to the Device Information tab.
- Scroll down - there might be QR-serial-number.
β οΈ Note: Not all engineering codes work on newer versions MIUI. On the 2023-2026 Redmi models, this method may fail or cause system failure.
Check out the MIUI version (update to the latest version)
Reboot the phone.
Clear the cache of the Settings application (Settings) β Annexes β Application management β Settings β Warehouse β Clear the cache)
Try another launcher (like Nova Launcher) to access hidden items-->
3. Xiaomi apps: where else can hide QR-code
The manufacturer has integrated QR-If the standard methods didn't work, check those programs.
1. Security Annex (Security)
This often stores device information, including digital tags:
- Open the Security app (the shield icon).
- Go to the Optimization or Acceleration section.
- Slap the icon. βοΈ (settings) in upper right corner.
- Select Device Information.
Some of the firmware is displayed here. QR-model-code, IMEI and serial number.
2. the application "Mi Account" (Xiaomi Account)
If your phone is linked to your Mi Account, try:
- Open Mi Account.
- Go to the Devices (install at the bottom).
- Choose your Redmi from the list.
- Slip on the icon... (three dots) β Details.
It could be here. QR-code for proof of ownership (relevant for warranty service).
3. application "Mi Home" (for smart devices)
If your Redmi is used as a smart home control center, check out:
- Open Mi Home.
- Go to profile (the icon in the upper right corner).
- Select My devices β Find your smartphone.
- Put it on him. β Information.
| Annex | Section | What does it contain? QR-code | Works for MIUI. |
|---|---|---|---|
| Security | Device information | IMEI, serial number, model | 12, 13, 14 |
| Mi Account | Devices β Details. | Data for guarantee | 13, 14 |
| Mi Home | My devices. β Information | ID smart-home | 14 (for IoT models only) |
| Settings | The phone. β All characteristics | Factory data | All versions. |
π‘
If QR-The code in the apps does not appear, try temporarily disabling the dark theme in the settings MIUI β Sometimes this solves the problem of visualizing codes.
4. How to restore QR-code if it is lost or lost
Situation: You have found a place where you should be QR-It's a code that's erased, it's broken, it's not scanned. What do you do? There are several ways to recover it.
Method 1: Generate new code through IMEI
If you have IMEI phone (you can find out by command *#06#), you can create a duplicate QR-code:
- Go to IMEI.info.
- Enter your IMEI in the search box.
- Download the report - there will be QR-device-code.
This code will not replace the factory, but it is suitable for confirming the model during warranty repair.
Method 2: Use data from Google Account
If your phone was linked to Google, restore the information as follows:
- Go to the Device Activity page.
- Find your Redmi on the list.
- Copy the serial number and generate it. QR-code through any online service (for example, GOQR).
Method 3: Call for support for Xiaomi
If the code is required for warranty service:
- Write to Xiaomi Support Chat (via Settings) β The phone. β Feedback).
- Attach a photo of the box, check or IMEI.
- Ask for a digital copy. QR-postcode.
β οΈ Attention: QR-codes generated through third-party services (IMEI.info, GOQR), They are not official and may not be suitable for warranty repairs at Xiaomi service centers.
5. Why do you need it? QR-Xiaomi Redmi code: 5 non-obvious applications
Many users think that QR-The code on the phone is just for warranty. It actually has at least 5 useful uses that you might not know about.
- π§ Quick activation of service functions β some Xiaomi centers scan the code for accelerated reception of the device for repair.
- π¦ Confirmation of originality β the code can be used to check if the phone is fake (via the website) mi.com/verify).
- π Data recovery β when reset to factory settings, the code helps to return tied accounts (e.g. Mi Account).
- π Localization of firmware β in some regions (for example, India, China) QR-The code contains information about the local version. MIUI.
- π Unlocking the bootloader β when officially unlocking the bootloader, a code scan may be required to confirm the model.
Also on new Redmi models (e.g. Note 13 Pro) QR-code may contain:
- π‘ Frequency data supported 5G/4G.
- π Information about the type of battery (for service centers).
- π οΈ List of compatible parts (for example, to replace the screen).
How to verify the authenticity of Xiaomi QR-code?
6. Frequent problems with QR-Xiaomi Redmi codes and their solutions
Users often face the fact that QR-Xiaomi Redmi code is not scanned, displayed or contains incorrect data.
| Problem. | Possible cause | Decision |
|---|---|---|
| Code is not scanned. | Weak contrast, damage to the sticker | Use Google Lens or zoom in on your PC code photo |
| QR-code is not available in the settings | An outdated version of MIUI | Update the firmware to the latest version |
| The code leads to a non-existent page. | The link is outdated (relevant to older models) | Check the data through IMEI Xiaomi |
| It's a scanner that's making an error. | Damaged code or virus software | Check your phone with an antivirus (e.g., Xiaomi Security) |
| QR-The code doesn't match the phone's data. | Fake device or flashing | Convert. IMEI with a box and a mi.com website |
A special case: QR-post-firmware
If you have checked your phone (for example, you have installed Global). ROM China ROM), factory QR-The code may disappear from the settings to return it:
- Make a backup copy of the data.
- Install the original firmware through the Mi Flash Tool.
- After the reboot, check the About Phone section - the code should appear.
The Problem with Models for China
On phones designed for the Chinese market (e.g. Redmi) K60), QR-The code may contain data in Chinese or lead to local services to get an English version:
- Change the region of the phone in the settings (Settings) β Additionally. β Region).
- Update the firmware to the global version.
- Use a translator (like Google Translate) to scan the code.
π‘
After the update MIUI QR-The code has disappeared from the settings, try resetting the Settings app (Settings) β Annexes β Application management β Settings β Warehouse β Drop it).
7. Alternative methods of obtaining data without QR-code
If found or restored QR-The code failed, don't worry, you can get all the information you need about the phone in other ways.
1. Through the command line (ADB)
For advanced users: connect your phone to your PC and follow the command:
adb shell getprop ro.serialnoThis will return the serial number from which you can generate an alternative. QR-code.
2. through the engineering menu (for technical data)
Enter the combination in the phone application:
##4636##In the section Information about the device you will find:
- IMEI
- Serial number.
- Firmware version
- Iron data
3. Through the label under the battery (for older models)
If you have a Redmi. 4X, 5A or another model with a removable battery:
- Turn off the phone.
- Remove the back cover.
- Remove the battery.
- There will be a data sticker on the inside of the case or under the battery.
4. Through the Mi Account
If your phone is linked to your Xiaomi account:
- Go to account.xiaomi.com.
- Sign in.
- Go to the Devices section.
- Select your Redmi, and you will have all the technical data.
5. Through checks and guarantee documents
If you bought your phone from an official store, check:
- π Check β there may be a serial number.
- π The warranty card β sometimes duplicates QR-box-code.
- π§ Email β if the purchase was online, the data could have come in the email.