Modern Xiaomi smartphones with a shell MIUI or HyperOS often receive automatic updates that do not always please users. Sometimes the new version of the system contains critical bugs, causes increased battery consumption or simply does not like visually. In such situations, the owner faces the question: how to return the previous stability of the device? Reset updates is a difficult but often necessary process to restore comfortable operation of the gadget.
It should be noted that standard system tools cannot roll back firmware to an earlier version. Android and MIUI security mechanism blocks the installation of the old version on top of the new one for security reasons. However, there are proven methods to circumvent this limitation, they require care, preparation and understanding of the risks associated with data loss.
In this article, we will discuss in detail all the available ways to return to the previous version of the operating system. You will learn about the need to unlock the bootloader, the differences between global and Chinese firmware, and how to properly prepare the device for the procedure.
Why is it necessary to roll back the system?
Users often face situations where, after installing a fresh one, OTA-The smartphone starts to work incorrectly, which can manifest itself in the form of sudden reboots, interface freezes or problems with communication modules. Developers are eager to correct errors of previous versions, but sometimes new bugs are more serious than old ones. In such cases, returning to a verified assembly becomes the only reasonable solution.
Another common reason is the loss of functionality after an upgrade, such as the new version of MIUI can remove the ability to install applications from unknown sources by default or change the logic of how energy saving works. Many enthusiasts prefer to stay on the old but stable version until a patch is patched.
⚠️ Note: System rollback is always accompanied by a complete loss of user data. Photos, contacts and correspondence will be deleted without the possibility of recovery through the standard shopping cart.
It’s also important to consider the region of the device: If you accidentally upgrade your Chinese version to global firmware (or vice versa), some features, such as Google Pay or banking apps, may stop functioning properly, in which case returning to your native regional firmware will solve the problem of interoperability of services.
Preparation of the device and necessary tools
Before you start active actions, you need to carefully prepare the workspace and software. The main tool for working with the Xiaomi file system is the Mi Flash Tool. It should be downloaded from the official developer website and installed on a Windows computer. Drivers for the device are usually installed automatically, but it is better to have them on hand.
The second critical step is to back up your data, and since the process will be complete memory cleanup, save all important files to an external hard drive or cloud storage, and focus on saving the activation keys for important applications and two-factor authentication.
- 📱 Charge your smartphone to at least 60% to avoid turning off at a critical time of firmware.
- 💻 Use the original. USB-cable and connect it directly to the motherboard port, avoiding hubs.
- 🔒 Make sure you remember the password from your Mi Account, as you will need to re-authorize after the reset.
To find the right firmware version, use specialized resources such as XiaomiFirmwareUpdater. You will need a file with the.zip extension for recovery or.tgz for full flashing through your computer. It is important to choose the version with a release date earlier than the current one installed on your device.
☑️ Preparation for firmware rollback
Unlocking the Bootloader bootloader
A key obstacle to installing old firmware is a blocked bootloader. Xiaomi blocks this feature to protect users from malware, but for enthusiasts it becomes a barrier. Without an unlocked Bootloader, installing an earlier version of the system through recovery mode is impossible.
The unlocking process requires an application via the official Mi Unlock app, which requires a certain amount of time, usually between 7 and 168 hours, to be waited after the account is linked to the device, and is a mandatory security requirement and cannot be circumvented by legal means.
⚠️ Warning: Unlocking the bootloader automatically voids the device warranty in some regions and makes it impossible to use some banking applications without additional manipulation.
After the waiting time has expired, you need to launch the Mi Unlock application on your PC, transfer the smartphone to Fastboot mode (pressing the power and volume buttons down) and press the unlock button. Successful completion of the process will be confirmed by the corresponding message on the smartphone screen and in the program.
What do you do if you wait 168 hours?
Recovery Menu Recovery Method (without PC)
There is a method that allows you to roll back the system without using a computer, but it only works under strict conditions: You will need to download the firmware archive in.zip (Recovery ROM) format of the same regional version as the current one, but with an earlier build number. The file is renamed update.zip and placed in the root of internal memory.
Then you need to go to Recovery mode. To do this, press the power button and the volume button at the same time. In the menu that appears, select the language and click on the update icon. If the system detects a file, it will prompt you to install it. However, if the version in the archive is older than the current one, you will get the error "Can't verify update".
To get around this limitation, you can use a hidden feature. Click the MIUI logo several times in the corner of the screen until the option menu appears. Here you select the "Choose update package" and manually specify the path to the update.zip file. The system will warn you about the loss of data - confirm the action.
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If the file selection menu does not appear, try renaming the firmware file not in the file. update.zip, a leave the original name, but make sure it is in the folder downloaded_rom.
This method does not work on all versions of MIUI. In recent security updates, this loophole is often closed by developers, and if you see a message after selecting a file that you can not install, then you will have to use a computer method with complete firmware.
Full Fastboot Fastboot and Mi Flash
The most reliable and versatile way is to use the Fastboot mode and the Mi Flash Tool utility. This method allows you to install any version of the firmware, regardless of the current one, provided that the bootloader is unlocked. You will need a firmware archive in.tgz format (Fastboot ROM), which you need to pre-unpack on your computer.
Launch the Mi Flash Tool on behalf of the administrator. Press the Refresh button to detect the connected device. If the smartphone is correctly identified, the serial number will appear in the list. At the top of the window, select the path to the unpacked firmware folder.
Pay special attention to choosing the firmware mode at the bottom of the utility window. To completely reset and roll back the system, you need to select the clean all option. This mode completely erases all memory partitions and installs a clean system without user data.
| Firmware mode | Data retention | Possibility of rollback | Recommendation |
|---|---|---|---|
| Update | Yes. | No (only up) | For a regular update |
| Save user data | Yes. | No. | Not recommended for changing versions |
| Clean all | No. | Yes. | Perfect for a system rollback |
| Clean all + lock | No. | Yes (with risk) | Only for identical regions |
After selecting "clean all" mode, press the "Flash" button, which takes 200 to 500 seconds, during which time it is strictly forbidden to turn off the cable or interrupt the program, and after completion, the status will change to "success", and the phone will automatically restart.
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Using Clean All mode in the Mi Flash Tool is the only guaranteed way to bypass Anti-Rollback protection and install an older version of Android.
Possible mistakes and ways to solve them
During rollbacks, users often encounter an Anti-Rollback error, which is a security mechanism that is embedded in some firmware versions. If your current system has a higher security index than the one you're trying to install, the process will be locked at the hardware level. You can check the index in Fastboot mode, which is displayed in the status bar or output when you try to firmware.
Another common problem is the Missmatching image and device error, which occurs when you try to flash firmware from another model or region without first cleaning the partitions. Make sure that the model code (e.g. global, eea, cn) matches the code in the firmware file name.
- 🔌 Connection Error: Try Replacing USB-cable or switch to port USB 2.0.
- 💾 Memory error: free up space on the computer system disk where the firmware is unpacked.
- 🔐 Account Error: If after firmware the phone requires a password from an old Mi-account that you do not remember, you will need a support call.
⚠️ Warning: Trying to flash a device with an active Anti-Rollback older firmware can lead to a complete failure of the smartphone (brick), the recovery of which is possible only in the service center.
If the process is stuck at a certain stage, try to enter Recovery mode and make Wipe Data manually, then repeat the firmware procedure. Sometimes cleaning the cache of the Mi Flash utility and restarting on behalf of the administrator helps.