Update system on Xiaomi Redmi 4A: step-by-step instructions

Xiaomi Redmi 4A, released in 2016, has become a hit in the budget segment due to the combination of price and performance. However, time is inexorable, and the software that is relevant at the time of release no longer meets modern requirements for security and functionality of applications. Users often face the question of how to extend the life of the device and get the latest available patches or new versions of the MIUI shell.

The software upgrade process on this device has its own nuances related to the architecture of the Snapdragon 425 processor and memory limitations. It is not always the system offers automatic updates through the standard menu, which requires the owner to know alternative installation methods. In this article, we will discuss all available ways to update the software, from standard to advanced, allowing you to unlock the potential of the gadget.

Before you start taking action, you need to clearly understand which version of the Android operating system and the MIUI shell you have installed now, and which version you can actually upgrade to. For the 4A, the official endpoint is often MIUI 9 or 10 based on Android 6.0 Marshmallow, although enthusiasts port more recent versions. It is important to be sober about the risks, since interference in the system partition always carries potential threats to the stability of the work.

Many users mistakenly believe that if there is no Update button on the menu, there are no more paths to progress. This is not the case. There are many ways to manually initiate a firmware audit or force a firmware archive to be installed, bypassing the standard constraints of Xiaomi servers, the main thing is to follow the sequence of actions and carefully monitor battery levels.

Preparation of the device for firmware

Any interference with the software of a smartphone requires careful preparation to avoid losing important data or turning the device into a “brick.” The first step is to create a full backup of all user information: contacts, photos, messages and application settings. For the Redmi 4A, this is especially true, since the amount of internal memory is limited, and an accidental reset can be fatal.

The second critical point is to ensure a stable power source: the process of writing new data to flash memory is energy intensive, and a sudden power outage in the middle of the procedure can damage the bootloader, make sure that the battery is charged at least 60-70%, and it is better to keep the device connected to the original charger throughout the operation.

You also need to make room in the internal storage, the firmware archives can take up 1 to 2 GB of disk space, if there is not enough memory, the installation will be interrupted at the checksum checkpoint stage, which can lead to a download error, delete unnecessary video files or transfer them to the SD card or cloud storage.

⚠️ Note: Before starting any work, be sure to turn on debugging by USB You don't need to go to the developer menu if you're going to use computer techniques. You don't need to upgrade from the menu as a standard, but you might need to access hidden features.

Official method of updating OTA

The easiest and safest way to get a new version of software is to use the built-in OTA (Over-The-Air) mechanism, which checks the manufacturer's servers for new builds that are compatible with your region and specific modification of the device, which is ideal for those who do not want to take risks and prefer standard solutions.

To run the check, you need to go to the settings menu and find the About Phone section, and there's a button with the MIUI version number, and when you click on it, the system will contact the server and, if it finds the current build, prompts you to download and install it, and the process is automatic, requiring only user confirmation.

However, there are nuances.Redmi's official support 4A It is long since terminated, so the server may not offer updates, even if they exist as global stable versions, OTA-Updates often come in waves, and notifications may not arrive for months on a particular device due to regional restrictions.

• 📱 Go to Settings. → The phone.
• 🔄 Click on the current version MIUI (center-piece).
• ⏳ Wait for the check and download of the package.
• 🚀 Press the “Reset” button to start installation.

If you check it out, it doesn't always mean there aren't any updates, it may be that your current version is newer than the one on the server for your region, or the server is temporarily unavailable, and it may be helpful to change the region in settings or use the manual installation method through the recovery menu.

Manual installation via Recovery Mode

When automatic search is powerless, the manual method of installing the firmware archive comes to the rescue, which allows you to upgrade the phone to a version that is newer than the current one, but older than the one already installed (downgrade is harder to do, you need to unlock the bootloader). You will need to download the firmware file with the.zip extension in advance for the model. 4A.

The downloaded file must be renamed update.zip and placed in the root of the device's internal memory. Don't put it in folders, otherwise the recovery system will not be able to find it. Once the file is placed, you need to go to a special Recovery menu, holding the key combination when the phone is turned off.

In the Recovery menu, you can control volume (up/down) and power button (select). You need to select Wipe & Reset (or similar), then Wipe All Data to clear the cache and data, avoiding version conflicts. After cleaning, select Install update.zip and confirm the action.

The installation process can take anywhere from 5 to 15 minutes, during which time the action log or progress bar will be displayed on the screen. It is strictly forbidden to interrupt the process, remove the battery (if it is not removable) or restart the device.

Use of Mi Flash Tool and Fastboot

For advanced users who want to gain full control of the device or restore it after critical errors, there is a method of firmware through the computer. ADB/Fastboot It's the most reliable method that overwrites all partitions of memory.

First, you need to unlock the bootloader through the official Mi Unlock utility, linking the Mi Account to the device and waiting for the mandatory deadline (usually from 3 to 7 days). Without this procedure, the computer will not allow you to write system partitions. After unlocking, download the firmware image in.tgz format and unpack it.

Run the Mi Flash Tool on your computer, connect your phone in Fastboot mode (clamping Volume Down + Power) and choose the path to the unpacked folder. It is important to select Clean all firmware mode to avoid compatibility errors between the old and new file systems. Pressing the Flash button will start a process that cannot be interrupted.

• 💻 Install Xiaomi drivers USB Driver on PC.
• 🔓 Unlock Bootloader with Mi Unlock.
• 📂 Download Fastboot firmware (.tgz) for Redmi 4A.
• 🔌 Connect your phone in Fastboot mode.
• ▶️ Start the firmware in the Mi Flash Tool.

⚠️ Warning: Unlocking the bootloader completely erases all data on the phone and may void the warranty (if it's still valid.

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Fastboot is the only way to change the firmware region (for example, from China to Global) or restore a device that is not booting.

Solving problems and mistakes

Update to Redmi users 4A They often encounter common errors that can scare an inexperienced owner, and one of the most common is a 7 error in Recovery, which indicates a file signature problem or version incompatibility. It is also common to experience a “bootloop” (cyclic reboot) situation where the phone gets stuck on the logo. MI.

If the upgrade is successful but the phone is slow or discharges quickly, it is recommended to perform a full Hard Reset after installation.This will remove the remnants of old configuration files that may conflict with the new system.

If the phone has stopped responding to commands and only the charging indicator is on, try entering Recovery mode with the buttons clamped and select Wipe Data. If that doesn't work, you'll need to flash through Fastboot, as described in the previous section. Sometimes it helps to connect to the charger for a long time (15-20 minutes) without trying to turn on.

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If some apps are missing after the update or the camera is not working, try clearing the cache of a particular application through Settings → Apps → All Apps → (Select App) → Clear.

Another problem is that there are no.root rights after the upgrade. Any official MIUI firmware has no superuser rights by default. If you needed Root to run a specific software, you'd have to re-get it after each update using utilities like Magisk, which requires an unlocked bootloader.

FAQ: Frequently Asked Questions