MAB Xiaomi Redmi: A Complete Guide to Mi Account Bind (2026)

If you are the owner of a smartphone Xiaomi Redmi and faced with the acronym MAB In settings or when you try to unlock a device, this article will help you understand all the nuances. The term Mi Account Bind is often a question, especially when it comes to resetting your phone to factory settings or buying a used device. Why does the system require login/password entry even after a hard reset? How does it relate to data protection and can the restriction be circumvented legally?

We will analyze in detail what is MAB Xiaomi Redmi as it works in new and old models (including Note, K and X series) POCO), We'll also look at the common mistakes that users make, and we'll focus on the differences between the standard Mi Account and the legal aspects of unlocking. If you're planning to sell a phone or have already bought a device with a linked account, here's a look at the latest solutions for 2026.

We'll mark it right away: MAB It is not a virus or malware, but an official security feature from Xiaomi, introduced to combat smartphone theft and unauthorized access to data, but its implementation sometimes creates problems for legitimate owners, especially when buying phones from hands. How to avoid blocking and what to do if your phone is already locked.

What is it? MAB Xiaomi Redmi: decryption and purpose

abbreviation MAB Mi Account Bind is a security system that links Xiaomi’s smartphone to a user account (Mi Account) at the hardware level, first introduced in 2016 as a response to the rise of mobile device thefts in China and elsewhere.

How it works:

1. When you first turn on the phone or after resetting the system requires authorization in Mi Account.
2. If the device was previously linked to another account, the new owner will not be able to activate it without the data of the previous user.
3. Even after a Hard Reset, the lock is still in place, a key difference from Google’s standard protection. FRP.

Main objective MAB — For example, if an attacker resets the settings on Redmi Note 12, they will not be able to activate it without the username / password of the original owner. However, in practice, this often creates problems when buying used devices, when the seller forgets to untie the account.

It is important to understand that MAB ≠ Mi Accounts are two different machines:

• 🔹 Mi Account – a regular account for synchronizing data (contacts, notes, backups).
• 🔹 MAB — hardware-based device binding to an account that blocks activation after reset.

What models Xiaomi Redmi is available on MAB?

Mi Account Bind was introduced in stages, and below is a table with the Redmi models that are guaranteed to work on. MAB (Data relevant for firmware 2026):

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Note: On phones purchased in China (domestic versions), MAB may be absent in early firmware, but appears after updating to MIUI 12 and later. Check the software version in Settings → The phone. → Version. MIUI.

How do I know if I have MAB on your Redmi:

1. Go to Settings → Accounts → Mi Account.
2. If there is a “Delete Account” or “Related Devices” option, the function is active.
3. On some models (for example, Redmi Note 10 Pro) binding is displayed in Settings → Additionally. → Confidentiality.

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Before buying used Xiaomi, ask the seller to show the Settings menu → Mi Account and make sure that the device is not tied to other people's data.

How a lockdown works MAB: technical

Unlike Google’s standard security (FRP), Resets after entering a previous Google account, MAB Xiaomi works differently:

Locking mechanism:

• 🔐 When you first connect to Mi Account, your phone sends a unique message. IMEI and S/N on Xiaomi servers.
• 📱 Data is encrypted and stored in a special partition of memory (/persist), purified.
• 🔄 After Hard Reset, the system checks for an anchor and requires authorization of the original account.

Key Feature: Even if you delete Mi Account through settings, hardware binding (MAB) That means that after the reset, the phone will still require the previous owner's data.

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Note: Some models (e.g. Redmi) K50) traverse MAB illegal methods (through the EDL or Fastboot) can trigger antirollback – the phone turns into a “brick” with an Anti 4 or Anti 5 error.

How to turn off MAB Xiaomi Redmi before sale

If you are planning to sell or transfer your Redmi, be sure to unplug your account so that the new owner does not face a lockdown.

Official method (through settings):

1. Open the Settings. → Accounts. → Mi Account.
2. Click on your profile and select “Delete Account” (or “Sign Out” on new versions). MIUI).
3. Confirm the action with a password from the account.
4. Go to Settings. → Additionally. → Reset settings and select “Delete all data».

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Note: Some models (e.g. Redmi Note 11) require 72 hours to wait until the account is completely de-linked.

Alternative method (via Fastboot):

If the phone does not turn on or does not respond to the sensor, you can untie MAB via Fastboot mode:

fastboot oem remove-miauth

This command only works on the unlocked bootloader!

1. Install. ADB/Fastboot Tools.
2. Connect your phone to your PC in Fastboot mode (press Power + Vol− when you turn on).
3. Enter the command above and restart the device.

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The only legal way to remove MAB — delete your account through the settings before the phone reset, all other methods (including bypassing through the phone reset) EDL) This can lead to irreversible blocking.

What to do if you bought Xiaomi Redmi with a tied MAB

If you have already become the owner of a phone with an active lock Mi Account Bind, there are several options for the development of events:

1.Contact the seller

• 📞 Ask for the username/password from the Mi Account to which the phone is linked.
• 📧 If the seller does not respond, write an official claim on the site (for example, Avito or Yula) with a demand to return the money.

2. Call for support for Xiaomi

Unlocking will require:

• 📄 Check or contract of sale (with indication) IMEI).
• 📱 Photo of the box and phone (with serial number).
• 🔗 Application form: account.xiaomi.com (select Unlock Device»).

The review period is from 3 to 14 days, the service is free, but does not work for all regions (for example, in Russia and Ukraine there may be a refusal).

3.Traffic bypass MAB (informality)

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Attention: Use of illegal methods of circumvention MAB (through EDL, Deep Flash Cable or modified firmware violates Xiaomi's user agreement: 🚫 Permanent lockdown IMEI (The phone will be a brick»). 📵 Loss of warranty. 🔒 We do not recommend these methods, but if you still decide – look for the latest guides for your model on the forums. 4PDA or XDA Developers (Please provide the exact version) MIUI!).

Differences MAB from FRP (Google) and other blockings

Many people confuse Mi Account Bind with other types of protection.

The main difference MAB from FRP:

• 🔧 FRP It can be done legally (for example, through the ADB or backup code).
• 🔒 MAB Requires original Mi Account details or official proof of ownership.

On some Xiaomi models (e.g. Redmi Note 12 Pro)+) Both locks work simultaneously: first the phone requests Mi Account, and then the Google account.

Frequent errors and problems with MAB Xiaomi Redmi

Users often face the following situations:

1.The phone requires an old account after a reset

🔹 Previous owner didn’t untidy Mi Account before selling.

🔹 Solution: Contact the seller or provide proof of purchase in support of Xiaomi.

2. "This device is locked" error after firmware

🔹 Reason: Trying to flash your phone through Fastboot without removing MAB.

🔹 Solution: Return the original firmware via the Mi Flash Tool (requires an authorized developer account).

3. You cannot delete your account in the settings

🔹 Reason: The phone is activated anti-rollback or is regional firmware with restrictions.

🔹 Solution: Update MIUI Up to the latest version or reset your phone via Recovery (but it won't take off) MAB!).

4. Xiaomi support refuses to unlock

🔹 Reason: There is no telephone number or IMEI listed as stolen.

🔹 Solution: Contact the seller for checks or return the phone under warranty (if you bought in the official store).

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Warning: If you see a message saying “This device is associated with an account. Sign in with the account used previously on this device,” it means that the phone is linked to Mi Account with the device on. MAB. In this case, the bypass ADB Test Point will not help – you need the original account details.

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Before buying a used Xiaomi always check the status MAB through IMEI If the phone is listed as "lost" or "stolen", refuse the deal - it will be impossible to unlock it.

FAQ: Frequent questions about MAB Xiaomi Redmi