Modern smartphones require regular attention not only in terms of physical cleanliness, but also software. Owners of Xiaomi, Redmi and POCO devices often face the need to install a new version of MIUI or HyperOS. This may be due to a desire for fresh features, security fixes, or simply because the phone has stopped offering an “over-the-air” update.
The process of updating the system does not always go smoothly, especially if the device is purchased in another region or already has a modified firmware. There are several proven methods to return the gadget to the current state without losing important data. In this article, we will discuss each method in detail, explain the difference between the global and Chinese versions of the software, and also tell you what to do if errors occur.
Before you take action, it’s important to understand that any interference with system files carries certain risks. However, by following a clear algorithm and using official tools, you can minimize these risks. Let’s look at the main scenarios that users face when trying to upgrade their device.
⚠️ Warning: Before any manipulations, be sure to back up all important data. Even with regular update methods, there is minimal risk of information loss or system failure.
Preparing the device for system update
Any serious work with software requires prior preparation. Ignoring this stage can cause the installation process to be interrupted halfway and the device will go into a cyclical reboot. The first thing you need to do is free up enough space in internal memory. Firmware files can weigh between 2 and 5 GB, and the system requires even more free space to properly unpack and install.
The second critical point is battery power: the battery should be at least 60 percent charged, ideally 100 percent charged, and if the phone is turned off by a discharge while writing system partitions, it will be extremely difficult or impossible to restore it without the use of specialized hardware (programmer), and it is also worth checking the stability of the Internet connection if you plan to download files directly to the device.
Don’t forget to check the current version of the system to understand what kind of update you need. Go to Settings → About the phone and pay attention to the build number and Android version. Write this data down or take a screenshot, as it may be necessary when searching for a specific version of the firmware on third-party resources if the automatic update does not work.
☑️ Checklist before update
Automatic update via OTA (over the air)
The easiest and safest way to get a new version of the operating system is to use the built-in OTA (Over-The-Air) mechanism, which does not require a connection to a computer or special knowledge. Usually, notifications about the availability of a new version come automatically, but they can also be checked manually through the settings menu of your smartphone.
If the automatic check doesn't show updates, it doesn't always mean there aren't any. Often rollouts occur in waves and your device may receive the packet later than others. In some cases, cleaning the Update app cache helps. To do this, go to Settings → Apps → All Apps → System Update → Storage → Clean up, then run the check again.
It is worth considering that OTA-updates often only come to clean devices with original global or European firmware, if your phone was flashed from the Chinese version to the global version (the so-called Global). ROM In Chinese, official air updates may not arrive at all or may be delayed by several months.
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If the update doesn’t come, try changing the region in settings (Settings → Additional settings → Region) to India or Singapore, check for an update, and then return your region.
The installation process through OTA is as follows:
- 📲 Click the “Download” button in the system update menu.
- 📥 Wait for the installation package to load fully (size may vary).
- 🔄 Click “Reboot and Update”, the phone will turn off and start the installation process.
- ⏳ Don't touch the device. 10-15 minutes until the table is available.
Manual installation via Recovery Mode
When the automatic method doesn't work or you want to update forcefully, Recovery mode comes to the rescue. This method allows you to install a firmware file manually downloaded from the official site, which is suitable for cases when you need to "jump" through several versions or restore the system after a failure.
First, you need to find and download the correct firmware file with the.zip extension. Important: the file should be designed specifically for your model (model code can be found on the box or in the settings) and match the type of your current system (Global, EU, CN).
Once the file is uploaded, place it in the root of the internal memory or on the memory card (if there is a slot). Next, you need to go to Recovery mode. For most Xiaomi devices, you need to turn off the phone and pinch the button combination Volume up. + Power before logo appears. From the Recovery menu, select the language (usually) English/Chinese) and click the Install zip button or “Install zip from memory».
⚠️ Note: Make sure you download the Recovery firmware (ZIP), Not a Fastboot firmware (TGZ). Installation of Fastboot firmware via Recovery is impossible and will lead to an error.
What if Recovery says "Can't verify update"?
Firmware through the computer in Fastboot mode
The most powerful and versatile method to solve almost any software problem is to use the Mi Flash Tool on your computer, USB-cable-driver ADB/Fastboot. It allows you to completely rewrite all partitions of the device memory, eliminating file system errors.
To do this, you'll need to download the.tgz firmware archive (Fastboot ROM) and unpack it on your computer. The path to the folder should not contain Cyrillic or spaces. Then the phone is switched to Fastboot mode (Loudness down + Power) and connects to the PC. In the Mi Flash Tool, you need to choose the path to the unpacked folder and press the Flash button.
The most important point is to choose the firmware mode at the bottom of the program window:
- 🟢 Clean all: Complete data cleanup and new system installation Recommended when switching between regions or Android versions.
- 🔵 Save user data: Installation without loss of data. Only works if you do not change the type of firmware (e.g. Global to Global).
- 🔴 Clean all and lock: Completely clean and lock the bootloader. Use only with the original firmware for your region, otherwise you will get a locked phone.
The process of firmware through Fastboot takes from 300 to 600 seconds, during which it is strictly forbidden to turn off the cable or interrupt the program, once completed, the phone automatically restarts, the first run can last longer than usual - up to 10 minutes.
Comparison of Xiaomi Upgrade Methods
The choice of method depends on your goals and the current state of the device. Below is a table to help determine the best way to deal with your situation. Each method has its advantages and limitations, which should be considered before starting the procedure.
| Parameter | OTA (Airway) | Recovery (ZIP) | Fastboot (PC) |
|---|---|---|---|
| Difficulty | Low. | Medium | Tall. |
| Data retention | Yes. | Yeah (usually) | Only in Save Data mode |
| Change of region | Impossible. | Difficult/Impossible | Maybe (Clean All) |
| Recovery after failure | No. | Partially. | Complete. |
| PC requirement | No. | No. | I'll be sure. |
If you just want to get new features and fixes, start with OTA. If the phone is behaving unstable or you have changed your area of residence, it is better to use Fastboot with a full cleanup. Recovery method is good as an intermediate option when OTA does not see updates, but you are afraid to contact the computer.
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Fastboot is the only way to make sure you switch from Chinese firmware to global or fix serious system bugs, but it requires caution and PC availability.
Frequent mistakes and ways to solve them
Even if you follow all the instructions, you can get errors, and one of the most common is System UI isn't responding, or endlessly restarting after installation, often by completely resetting your Wipe Data through Recovery. Go to Recovery, select Wipe Data → Wipe All Data, and confirm the action.
Another common problem is the integrity check error during installation ZIP-As mentioned, this happens when you try to roll back on the old version or change the type of firmware without cleaning it. The solution is one: backup, run Wipe Data, and then install a new firmware.
If your computer doesn't see your phone in Fastboot mode, check the drivers installed. In Device Manager, the device can appear as "Unknown Device" or «QHSUSB_BULK». In this case, you will need to manually install the drivers Xiaomi or Qualcomm. USB-cable or poke it into port USB 2.0 on the back of the computer (ports) USB 3.0 Sometimes they have problems with older versions of the Mi Flash).