Smartphone owners Xiaomi, Redmi i POCO often face the need to gain expanded access to the system. The phrase “how to open Android Haomi” can imply completely different scenarios: from the banal unlocking of the screen after purchase to complex procedures for removing the bootloader lock for installing custom firmware.
The ecosystem MIUI and the new HyperOS are built with an emphasis on security, which imposes certain restrictions on user. Standard Android methods often do not work here without first preparing an account. In this article, we will analyze in detail all levels of “opening” the device, from enabling debugging to completely removing factory restrictions.
Regardless of your goal, it is important to understand the risks. Any tampering with system files or the bootloader carries the potential for data loss. We will look at both standard methods for the average user, and advanced methods for enthusiasts who want complete control of their gadget.
Enabling developer mode and USB debugging
The first step to “opening” the system is activating hidden features. By default, the smartphone operates in closed mode, hiding technical settings. To access advanced features, you must activate Developer mode. This is safe and does not entail loss of warranty or data.
Go to the menu Settings and find the item About phone. Here you will need to find the line MIUI version (or OS version in new models). Complete this item 7 quick presses. The system will inform you that you have become a developer. Now a new section will appear in the additional settings menu.
Inside menu For developers find the switch USB debugging and activate it. When you connect your smartphone to your computer, the system will ask you to confirm your trust. Without this step, the computer will not be able to control the device through commands ADB, which is critical for many recovery or data transfer operations.
⚠️ Attention: Do not leave USB debugging enabled all the time unless you are actively using it. This creates a potential vulnerability when connecting your phone to charging stations in public places.
For those who plan to use advanced tools, it is also useful to enable the option OEM Unlockingif it is available in your region. However, on global versions of firmware, this item is often hidden or inactive until the account is linked.
If the "For Developers" item disappears after a reboot, simply repeat the procedure with 7 clicks on the firmware version - the settings are reset for security purposes.
Procedure for unlocking the bootloader (Bootloader)
The most difficult step required for those who want to “open” the phone to install third-party software is unlocking the bootloader. The company Xiaomi intentionally complicated this process by introducing mandatory waiting and linking to an account. This is done to prevent device theft and installation of malware.
Before starting the procedure, make sure that the main one is installed on the smartphone MI accountand not the second or guest one. In the settings of this account, you must enable the item Mi Unlock status. After this, the device needs to be linked to an account via a mobile network (Wi-Fi is not suitable for initial linking in some versions).
Next you will need a special tool Mi Unlock Tool on your computer. Download it from the official website. Switch the phone to Fastbootmode by simultaneously pressing the power and volume down buttons while the device is turned off. Connect the cable to the PC and launch the utility.
| Stage | Action | Requirement |
|---|---|---|
| Preparation | Login to Mi account | SIM card with Internet |
| Binding | Enable Mi Unlock status | Mobile network (not Wi-Fi) |
| Waiting | Block timer | From 3 to 7 days (sometimes up to 30) |
| Unlocking | Launch Mi Unlock Tool | Fastboot mode |
After pressing the unlock button in the app, you will most likely see a message telling you to wait. The timer can range from 72 hours to a week. During this period, you cannot log out of your account, reset your phone settings or change the SIM card, otherwise the timer will be reset.
☑️ Ready to unlock
⚠️ Attention: Unlocking the bootloader automatically erases all data from the internal drive. Be sure to make a backup copy of your photos and contacts before starting the procedure.
Why may the timer not run?
If the timer is frozen or shows the wrong time, try logging out of your account, rebooting your phone, inserting another SIM card, logging into your account again and repeating the linking via the mobile data.
Resetting a forgotten password or pattern
Often users are looking for a way to “open” the phone because they have forgotten the screen lock password. In modern versions Android i HyperOS removing a password without losing data is almost impossible for security reasons. Disk encryption is tied to your passcode.
If you have sync enabled Mi Cloud, you can try a remote reset. Visit the site i.mi.com from any other device, enter your account information and select the function Erase data. This will delete the password along with all contents of the phone, but will restore access to the device.
An alternative method is to use the mode Recovery. Turn off your smartphone and hold down the power and volume up buttons. In the menu that appears, select Wipe Data, and then Wipe All Data. Confirm the action by pressing Confirm.
After rebooting, the device will require you to enter the password from Google account or Mi accountthat was synchronized with the phone before blocking. This is a protection system FRP (Factory Reset Protection)that prevents the use of stolen phones.
The only way to save data if you forget your password is regular synchronization with the cloud before a problem occurs. A local reset always leads to file loss.
Using ADB for advanced management
For advanced users, “opening” Android means accessing the system command line. The tool ADB (Android Debug Bridge) allows you to remove system applications, make full backups and change settings that are not available in the regular menu.
Install the package Platform Tools on your computer. Connect your phone with USB debugging enabled. Open a terminal or command line in the tools folder and enter the ping command:
adb devicesIf the device is detected, you can execute various commands. For example, to remove system garbage (without root access), use the command pm uninstall indicating the package name. This allows you to “clean” the system of pre-installed software that cannot be removed in the standard way.
Also, via ADB, you can force a reboot of the phone into the desired modes, which is useful when “bricking”:
adb reboot bootloader
adb reboot recovery
⚠️ Attention: Removing critical system packages via ADB can lead to unstable system operation or an endless reboot (bootloop). Delete only those applications whose purpose you are 100% sure of.
Obtaining root access and installing Magisk
The highest degree of “openness” of the system is availability root access. They give complete control over the file system. On smartphones Xiaomi this is only possible after unlocking the bootloader, which we wrote about above. The most reliable method is to use a patch Magisk.
Download the official firmware for your model and extract the file from it boot.img. Copy this file to your phone, install the application Magisk and select the function Firmware (Patch), specifying the path to the image file. The application will create a patched file.
Return the patched file to your computer and flash it via Fastboot:
fastboot flash boot magisk_patched.imgAfter rebooting, you will have full access to the system. This will allow you to install modules, block ads at the system level, make full backups via Titanium Backup and overclock the processor. However, banking applications may stop working due to a violation of system integrity.
How to hide Root from banks?
In the Magisk settings, enable "Zygisk" and add banking applications to the "DenyList" list. You may also need a module to hide the fact of an unlocked bootloader.
Common problems and ways to solve them
The process of opening the system rarely goes smoothly the first time. Users often encounter the “Account isn't bound” error when trying to unlock. This means that the servers Xiaomi do not yet see the binding of your device.
The solution is simple: wait the specified time (usually 168 hours) without logging out of your account. Sometimes it helps to change the region in the phone settings to India or Singapore, where the requirements may differ, but this method works unstable on new versions of the software.
Another problem is “bricking” after unsuccessful firmware. If the phone does not turn on, but responds to buttons (vibrates, the indicator lights up), it can be saved through the mode EDL (Emergency Download Mode). However, to enter this mode on new models, an authorized service center account is often required.
Always check the compatibility of firmware versions. Do not try to install global firmware on a Chinese version of your phone without unlocking the bootloader - this is guaranteed to result in a boot error. Use only official tools or proven custom recovery, such as TWRP.
How long does it take to unlock the bootloader?
Officially, the waiting procedure takes from 3 to 7 days (168 hours). In rare cases, especially for new accounts or certain regions, the period may be extended to 30 days. The timer starts counting from the moment the device is successfully linked in the Mi Unlock settings.
Is the warranty reset when unlocked?
Formally, unlocking the bootloader is not grounds for refusing warranty repairs of hardware components (screen, battery, board) in many countries. However, if the breakdown is caused by software interference (the processor burned out due to overclocking), the warranty will be denied. In some regions (for example, Europe) this right is protected by law.
Is it possible to lock the bootloader back?
Yes, it is possible. After installing the stock firmware via Mi Flash Tool in "Clean All and Lock" mode, the bootloader will close again. Important: this can only be done on the same version of the region that was originally (Global to Global, China to China), otherwise the phone will not boot.
What to do if the phone asks for an account password after resetting?
This is FRP protection. You need to enter the login and password of the Google or Mi account that was synchronized with the device before the reset. If you don’t remember them, you can only restore access through the password recovery form on the Google or Xiaomi websites. Bypassing this protection is illegal and not supported.
Is it safe to uninstall system applications via ADB?
Uninstalling via ADB is safe in the sense that it is reversible (the application can be returned by flashing it or using the reinstall command). However, deleting critical components (such as the system launcher or Google services) may render the phone inoperable until the next reset. Proceed with caution.