How to find out QR-Xiaomi Redmi phone code: from box to hidden settings

You bought a Xiaomi Redmi smartphone and suddenly found that you needed to activate warranty, connect to Mi Account services or recover data. QR-Did the device code? Did the icons lose the box, where it's usually listed? Don't panic: the manufacturer has a number of ways to get the code, even if the label is erased and the packaging has long been thrown away.

In this article, we will examine all possible places where it is stored. QR-Redmi code, from the obvious (sticker on the box) to the hidden (system menus and engineering modes), and explain why it is needed and what to do if the code is damaged or missing. 9A, including budget and flagship versions.

It's important: QR-The phone code is not the same as QR It's a unique device ID that's tied to its serial number (IMEI) It's used for service operations. It can't be generated by itself!

1. Where to look. QR-code on the box and the phone itself

The easiest way is to inspect the original smartphone packaging. - Xiaomi Redmi boxes QR-code is usually located:

  • πŸ“¦ On the side sticker (near the barcode and serial number).
  • 🏷️ On the additional label under the film (if the box is not opened).
  • πŸ“„ In the warranty card (for models sold in official stores).

If the box is lost, check the phone itself.

  • πŸ” Under the battery (for models with removable back cover, for example, Redmi) 4A or Redmi 5).
  • πŸ“± On the tray for SIM-cards (rarely, but found on some batches).
  • πŸ–ΌοΈ Under the protective film on the back panel (relevant for new devices).

⚠️ Note: If you bought your phone with your hands, QR-The code on the box may belong to another device! Always check it against the data in your phone settings (see next section).

πŸ“Š Where do you usually store a smartphone box?
Throwing it away.
I keep it for 1-2 months.
I'm saving for the entire life of my job.
I don't remember where she is.

2. How to find QR-code in the settings of Xiaomi Redmi

If you don't have a physical code, you can extract it from the system menu.

  1. Open the Settings app (cog icon).
  2. Go to About Phone (or Device on new MIUI versions).
  3. Put on the item All characteristics (or General information).
  4. Scroll down to Status block and select IMEI.

Here you'll see two. IMEI-numbers SIM-map). QR-The device code is generated from them to get a visual representation of it:

  1. Press and hold any of the IMEI-Numbers – Context menu will appear.
  2. Choose to copy, then open any QR-generator (e.g. website) QR Code Monkey).
  3. Insert the copied IMEI and generate the code.

This method works on all Redmi models, including Redmi Note 11 Pro+, Redmi 10 and older versions, but note that this QR will be technically equivalent to the original, but may not be suitable for some service operations (for example, warranty repairs).

β˜‘οΈ Authentication QR-code

Done: 0 / 3

3. Hidden menus: engineering mode and service codes

For advanced users, there is a way to get QR-This is a method that requires caution, but it gives you access to the original code even if the label is erased.

Instructions for Xiaomi Redmi:

  1. Open the Phone app.
  2. Enter the combination: ##4636##
  3. In the menu that appears, select Device Information.
  4. Scroll down to the IMEI block, there will be both numbers.

For some models (for example, Redmi Note 10 Pro) works alternative code:

##284##

It opens the testing menu, where the IMEI is also displayed in the Single RF or Device Info section.

⚠️ Warning: Do not change the settings in the engineering menu unless you are sure of their purpose! This can cause malfunctions in the communication module or antenna.

What to do if the engineering menu is not opened?
On some firmware MIUI The engineering menu is blocked. In this case, try it: 1. Install the application MTK Engineering Mode (for MediaTek processors) or Qualcomm EngineerMode (for Snapdragon). 2. Use it. ADB-Command: Adb shell am start -n com.android.settings/.TestingSettings 3. Update the firmware to the latest version (sometimes the lock is removed after the update).

4. How to restore QR-code if it is erased or lost

If original QR-The code is corrupted, it can be restored using official Xiaomi services:

  1. Go to the Mi Account website and log in.
  2. In the Devices section, find your Redmi (it should be linked to your account).
  3. Click on the phone model and a page will open with details including IMEI.
  4. Generate. QR-code IMEI (as described in section 2).

If the phone is not tied to the account or you do not remember the login details, contact the Xiaomi service center with a passport and a check about the purchase. QR from the serial number database.

An alternative is to use applications to scan the device’s chips, such as:

  • πŸ“± CPU-Z (show IMEI in the Device section).
  • πŸ”§ AIDA64 (Detailed information in the Telephony block).
  • πŸ› οΈ Mi Check (Official Xiaomi Diagnostics App).
Method of recoveryRequired.Suitable forLimitations
Generation from IMEIAccess to phone settingsAll Redmi modelsNot suitable for warranty repairs
Mi AccountLinked accountDevices added to the profileIt doesn't work for phones without tethers.
Service centreCheck/passportAny Xiaomi, even without a boxIt takes time, maybe it's paid.
Engineering menuKnowledge of service codesModels with unlocked menusRisk of failures in incorrect actions

πŸ’‘

If you are planning to sell your phone, take a photo. QR-You can save it to the cloud (for example, Mi Cloud) and transfer the warranty to the new owner.

5. Why do you need it? QR-Xiaomi Redmi code: 5 real cases

Many users mistakenly believe that QR-The phone code is just a duplicate of the serial number, and it's actually used in key scenarios:

  • πŸ”„ Warranty Repair: Service centers scan the code to verify the authenticity of the device and warranty period.
  • πŸ”’ Unlock bootloader: When unlocking Bootloader via Mi Unlock Tool, confirmation may be required QR.
  • πŸ“± Data recovery: Some Mi Cloud backups are tied to a unique device identifier.
  • πŸ›‘οΈ Authentication: You can check on Mi Verify to see if your Redmi is fake.
  • πŸ”„ Warranty Transfer: When selling a phone, the new owner can transfer the warranty to his account through the QR.

QR-The code is the only way to confirm that your Xiaomi Redmi was not imported into the country unofficially or is not a rebranding of another brand (for example, the code is not a code code code code, POCO Without it, the service center can refuse to repair under warranty, even if the device is original.

Example: If you bought the Redmi Note 11 in China and brought it to Russia, QR-The code will help determine if the firmware is locally adapted. LTE-Google Networks and Services.

πŸ’‘

Without the original. QR-You will not be able to officially unlock the bootloader on Xiaomi Redmi – the system requires scanning the label from the box to confirm ownership.

6. Frequent mistakes and how to avoid them

When working with QR-And so, when you use code, you often have typical problems. Here's how to prevent them:

  • πŸ“΅ Code not scanned: Check the lighting and angle of the camera. Use specialized applications (e.g., specialty applications, QR & Barcode Scanner, not a standard camera.
  • πŸ” QR leads to a non-existent page: This means that the code is generated from IMEI It's not hand-held, not from the original label, but it's not suitable for service operations.
  • πŸ“± There's no menu on the phone with IMEI: Some custom firmware may have a section on the phone hidden. MIUI via Fastboot.
  • πŸ”’ Service center does not accept code: Make sure QR For example, devices for India (Redmi Note 12 India) may not be serviced in Europe.

If you have self-generated QR from IMEI and it doesn’t work, try:

  1. Make sure you use both. IMEI (two-way SIM-map).
  2. Check that the numbers match the data on the box (if any).
  3. Contact Xiaomi with a photo of your phone and check to restore the original code.

⚠️ Attention: Never share QR-code IMEI Fraudsters can use this data to clone the device or block your Mi Account account.

7.Alternative ways to identify a phone without a QR

Restore QR-code is not possible to identify Xiaomi Redmi can use other unique data:

  • πŸ†” Serial number (S/N): It is in the settings (about the phone). β†’ All characteristics) or under the battery.
  • πŸ“‘ MAC-address Wi-Fi/Bluetooth: Unique for each device. You can see in Settings β†’ Wi-Fi β†’ Additionally.
  • πŸ”‘ Encryption Key: An attached Mi Account is sometimes enough to unlock the bootloader (but it doesn’t always work).

To verify the authenticity of your phone without QR:

  1. Go to the Mi Verify website.
  2. Enter IMEI or S/N.
  3. The system will show the model, region and status of the guarantee.

If the device is not detected, this may mean:

  • 🚫 The phone is unofficially imported (gray imports).
  • πŸ”„ IMEI modified (for example, after the repair of the motherboard).
  • ⚠️ Device blacklisted (stolen or blocked).

πŸ’‘

Before buying Xiaomi Redmi hand-check it through Mi Verify. If the site gives an error, refuse the deal - there is a high risk of running into a fake or blocked device.

FAQ: Answers to Frequent Questions

Can I use it? QR-box code for another phone?
No! QR-code is rigidly bound to IMEI If you change the code, the service center will detect a discrepancy in the scan and refuse warranty repairs.
What to do if QR-code on the box blurred or erased?
Try the following steps: Scan the code from different angles and in good lighting. Use image enhancement apps (like Kaspersky's QR Code Reader). If the code doesn't read at all, extract the IMEI from your phone's settings and regenerate the QR (see Section 2). If nothing helps, contact the service center with your passport and check - they will restore the code to the database.
Will it be? QR-Phone code to activate warranty in another region?
This depends on the regional binding of the device. e.g.: If you bought a Redmi in China and are trying to activate a warranty in Russia, additional verification may be required. India phones (Redmi Note 12 India) are often not serviced in Europe due to different LTE standards. Global ROM devices are usually accepted in any region. check this information with the seller before buying or check on the Mi Verify website.
Can we change? QR-phone?
Technically, yes, but it requires deep interference with system files and violates the warranty. IMEI or QR-Code: It will block network functions (the phone will stop catching the network), make it impossible to repair the system officially, can be considered fraud (in some countries it is criminal), if you need to change the rules. QR For good reason (for example, after replacing the motherboard), contact an authorized Xiaomi service center.
Where it's stored QR-phonecode POCO? They're Redmi's.
Devices POCO (for example, POCO X3 pro POCO F4) They use the same platform as Redmi, so they are QR-The code is searched similarly: On the box (side sticker or bottom). β†’ IMEI). The only difference is the engineering menu (code ##4636## or #284##). POCO QR-The code may be duplicated in the appendix POCO Launcher (Device section).