Owning a Xiaomi device often exposes users to various kinds of software constraints, commonly referred to as “codes,” which can be bootloader locks, Mi Account binding, regional restrictions, or forgotten screen passwords. Understanding the nature of these limitations is the first step to eliminating them, because the methods of solving each case are radically different.
The current MIUI and HyperOS ecosystems are built on layered security to protect owner data and operating system integrity, but in some situations, such as buying a used device with a “foreign” account or installing global firmware, these protections become an obstacle. It is important to clearly differentiate which “code” or lock needs to be removed to choose the right algorithm for actions.
In this article, we will discuss the main scenarios for removing restrictions in detail, we will examine official and alternative methods, the risks associated with loss of warranty, as well as the technical nuances of the process.
Typology of locks and codes in Xiaomi devices
Before you start taking action, you need to identify the type of lock, users often confuse different types of protection, which leads to the use of incorrect tools, there are several main categories of restrictions that you can face.
The first and most common type is Bootloader Lock, which prohibits changes to the system partition and custom receptacles; the second type is Mi Account binding, which is activated when Find Device is enabled; the third type is regional codes that limit the functionality of the camera or NFC in certain geographic areas.
- 🔒 BL Lock – blocks the download of unofficial system images.
- 🆔 Mi Account Lock – requires the username and password of the previous owner after resetting.
- 🌍 Region Code – Software Restriction of Functions Depending on the Firmware Region.
Each of these cases requires a specific approach, such as unlocking a bootloader is a legal procedure supported by the manufacturer, whereas bypassing an account often requires complex manipulation and can be illegal if the device is not yours.
⚠️ Note: Attempting to unblock an account on a stolen or found device is illegal.All of the methods described are solely for restoring access to your own gadgets.
Official Unlock Bootloader (Unlock Bootloader)
Unlocking the bootloader is a fundamental step for those who want to gain full control of the device, a process that allows custom firmware installation, root rights, and system files modification, and requires permission from Xiaomi.
The process starts with the account being linked to the phone settings. → Advanced settings → For developers, activate the "Unlock bootloader" option, and then the system will require you to link your current Mi Account to the device, which is a prerequisite that you can't ignore.
It's important to understand that unlocking erases all data from the device. Android's security mechanism encrypts the user partition, and changing the access keys makes old data unreadable. So saving important information to external media or to the cloud is critical.
Once an account is tied, you have to wait a certain period of time: Global accounts are typically 7 days (168 hours), for some regions, the period can be as long as 30 days, and trying to unlock the device before the set timer will lead to an error.
- 📥 Download the official Mi Unlock Tool utility to your computer.
- 🔌 Transfer the smartphone to Fastboot mode (clamping the volume button down when turned on).
- ⏳ Wait for the waiting timer to expire in the account settings.
The unlock process is run through the PC. The utility checks the account status and timer. If all conditions are met, the lock is reset. The device will restart, and the open lock icon will appear on the boot screen.
What happens when you unlock?
When the bootloader lock is removed, the device undergoes a complete Wipe Data cleanup procedure, which is done to protect the owner's information in case of phone theft. Also, after unlocking some features, such as protection against theft through Mi Account, may work differently, and the quality of photos in some applications (Snapchat, banking applications) may decrease due to a violation of the integrity of the system. ⚠️ Note: After unlocking the bootloader, some banking applications and Google Pay stop working (NFC-Payment) without further manipulations to hide root rights and change system security flags (FRP The situation with a forgotten password from Mi Account or buying a phone with someone else’s link is one of the most difficult. Mechanism FRP (Factory Reset Protection and Find the Device are designed to render the phone useless to an outsider even after a complete reset. If you are the legitimate owner but don't remember the data, the only reliable way is to restore access through i.mi.com. If the device is hand-held and locked, it gets complicated. There are software-based methods of bypassing, but they often depend on the specific version of Android and the security patch. One involves exploiting vulnerabilities in the activation interface. This may include calling emergency services, using TalkBack or specific key combinations to launch the browser and log in to settings. MIUI These holes are closing. 🔄 Recovery Mode (Volume Up) + Power). 🌐 Use of the OTA-updates to change the region (works on older versions). 🛠 Application of specialized software for authorized service centers. For older models (for example, Redmi Note 8 and earlier) there are proven methods through the use of the service center. EDL Mode (Emergency Download Mode) allows you to reflash the device at a low level, bypassing standard checks. However, logging into this mode often requires an authorized Mi Account with a high level of access. EDL Regime and Authorized Accounts EDL Mode (Emergency Download Mode) is a deep mode of Qualcomm firmware, analogue DFU It allows you to restore a device even when the operating system is completely broken. For Xiaomi devices, it is often the last chance to unlock when other methods are powerless. ADB command adb reboot edl) or hardware (closing certain contacts on the board or through a test). On modern models, EDL is often blocked if the bootloader is not unlocked, which creates a vicious circle. This mode requires special software, such as QFIL or Mi Flash Pro, and the corresponding firmware image. However, the key point is the need for authorization. Xiaomi servers check the rights of the account performing the firmware. Normal user accounts do not have firmware rights in EDL mode. Account type Availability User BL Unlock (through timer), standard firmware Open to all Service (Special) Firmware in EDL, where the owners remotely access to your PC, there are only the regional users from the database, the owner of the user base base checks, and the user base of the user account from the user base of the user account from the user base of the user base of the user base of the user. This is the only working way to make modern models (Redmi Note). 12/13, Xiaomi 13/14), If the password is forgotten and unlocking is impossible. 💡EDL Mode is a powerful recovery tool, but on modern Xiaomi devices it is practically useless without the involvement of an authorized service account, which makes the procedure paid. Global firmware versions often contain software restrictions for specific markets, such as on Chinese versions (China). ROM) It may not be Russian, Google services or only one frequency band. LTE. There are also restrictions on the use of NFC and calls over Wi-Fi in some regions. Change region in settings (Settings) → Additional settings → The region is the first step, but it doesn't always remove the deep blockages. For a full removal of the "regional code" often requires flashing the device to the global version (Global). ROM) European (EEA). The cross-regional firmware process (e.g., Global installation on China) requires an unlocked bootloader. CN You can't do it on Global without resetting the lock. EDL unlockless BL will lead to an anti-rollback error. 🇨🇳 China ROM — Maximum performance, no advertising, but no Google Play out of the box. 🇪🇺 EEA ROM — European version, strict privacy rules, restrictions on privacy NFC. 🌏 Global ROM — It's a generic version that's optimized for worldwide use. When you change region, it's important to consider anti-rollback. You can't flash through an older version of the bootloader or system if you have a new level of protection. ⚠️ Warning: Flashing the Chinese version to the global version may lead to the inoperability of the module NFC (Mi Pay, transport cards) and the appearance of the notification "Unofficial software" when downloading, which hangs 10 seconds.Reset forgotten screen password and pattern lock Forgotten pin code, pattern lock or password is a common reason to ask for help. If the device is not tied to a Mi or Google account, or you remember the data from them, the situation is solvable. The main method is a full reset via Recovery. To enter recovery mode, you need to turn off the phone and pinch the key combination. On most Xiaomi models, this is Volume Up. + Power. Recovery menus have volume buttons and power buttons. You select Wipe Data. → Wipe All Data → Confirm. The system will alert you to data loss. Once the process is complete, Reboot is selected. The device will launch as new, but will require confirmation of a Google or Mi Account that was previously synced. 📊 What type of lock you're facing?Forgot screen passwordBlock Mi AccountBlockingRegional restrictionsIf Find Device is enabled, a simple reset won't help - the phone will request a password from the account. This is protection against theft. In this case, only the password recovery through the manufacturer's website or the use of bypass methods described in the Mi Account section helps. ADB, If the phone was pre-installed on the debugging USB. Adb shell rm command /data/system/gesture.key (For a pattern lock, you can delete a key file, but on modern versions of Android with an encrypted data partition, this method without root rights or an unlocked bootloader will not work (FAQ)