Xiaomi Redmi 4A: How to Sweeten – The Complete Guide

Xiaomi’s mobile devices are deservedly popular for their value for money. The Redmi 4A, released a few years ago, still remains in service as a reliable second phone or device for children. However, over time, the software stops updating, system errors appear, or the device gets to a new owner with a blocked account, in which situations the only right solution is a complete reinstallation of the operating system.

The process of flashing may seem difficult for a beginner, but with strict adherence to all the steps it is absolutely safe.Restore system allows you to return the gadget factory speed, remove viruses or even unlock the device if you forgot the password, but have access to the Mi Account. In this article, we will discuss in detail all available methods, necessary tools and pitfalls that you can encounter.

Before you start taking action, you need to be clear about what type of installation you need. There is a difference between updating through the settings menu and completely clearing the data through special download modes. The wrong method can lead to the loss of personal photos, contacts and messages, so backing up data is a must-have first step before any manipulation.

Firmware Preparation: Tools and Backup

The success of the operation depends on the quality of preparation, you will need not only the smartphone itself, but also a working computer running Windows, as well as a quality computer. USB-Cheap charging cables often fail to provide stable data transfer, which can result in interruption at a critical stage. Also make sure that the battery charge of the device is at least 60% to avoid a sudden shutdown.

To work with official tools, you will need to create or use an existing Mi Account. Without authorization in the Xiaomi system, using the Mi Flash Tool programmer will be impossible, since the server will check the access rights. Download the ADB and Fastboot drivers in advance, and install them in the system so that the computer correctly identifies the connected device in a special mode.

⚠️ Attention, all the flashing actions you perform at your own risk, and violation of the instructions can lead to the complete inoperability of the device (brick), the restoration of which will require soldering of the programmer.

Remember to save all the important data. You can upload a copy of your contacts to your Google account, and photos and documents are best transferred to your computer or to the cloud. Once you have the firmware, the phone's memory will be completely cleaned, and you can't return deleted files without special equipment.

Firmware type definition: Global, China and Recovery

One of the most common problems when searching for software is the confusion in versions. For Redmi 4A, there are firmware for the Chinese market (China ROM) and global versions (Global ROM). Chinese versions often do not have built-in Google services and only support Chinese and English. Global versions are adapted for international use, have Russian language and preinstalled Play Market store.

It is also important to distinguish file types by installation method: files with the.zip extension are designed to be installed via Recovery mode directly on the phone; files in the form of an archive with the.tgz extension, which, after unpacking, give a folder with many files, are designed to be firmware through the computer using the Mi Flash Tool utility in Fastboot mode.

When choosing a version, look for the encoding in the file title. Global stable versions are usually labeled MIUI Global Stable. If you see a Developer label, it means that the firmware is test, may contain errors and updates weekly. For the average user who wants stable operation, these versions are not suitable.

It is important to understand that switching from the Chinese version to the global version requires the mandatory unlocking of the bootloader (Bootloader). Without this procedure, the phone will simply refuse to install software from another region, giving a check error. Unlocking the bootloader is a separate procedure that takes from 3 to 7 days of waiting after submitting an application.

Method 1: Update with Recovery Mode (without PC)

This is suitable in cases where the phone turns on but is unstable, or you just want to update the version of MIUI. To do this, you will need to download the firmware file with the.zip extension and rename it to update.zip for convenience, although this is not always strictly necessary.

Then you go to recovery mode. To do this, press the volume button and the power button at the same time. Hold them until the Mi logo appears, then release the power, but keep the volume down. You will be taken to the Main Menu menu, where the volume buttons control and the power button select.

• 📱 Select Wipe Data if you want to reset your settings, or go straight to install.
• 📂 Press Install. update.zip to System One (or similar file selection item).
• ✅ Confirm the action by selecting Confirm.
• 🔄 After the process is complete, select Reboot to restart.

The installation process can take anywhere from 5 to 15 minutes, which may show the Mi logo or running line on the screen, and you can't interrupt the process. If the phone hangs on the logo after the reboot, the version of the software may not be compatible with your region or bootloader, and you will need a deeper reset via the Recovery menu.

Method 2: Full Fastboot and Mi Flash Tool

This is the most reliable way to restore the phone even after a serious crash. You will need the Mi Flash Tool, which you need to download from the official developer website, C:\mi_rom\, So that there are no Cyrillic symbols on the way.

Put your smartphone in Fastboot mode. To do this, turn off the phone completely, and then press the volume button and plug in. USB-And you'll see a picture of a hare fixing an android on the phone screen, and it'll say, FASTBOOT. The computer must make the sound of the connection of the new device.

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If your computer can’t see your phone in Fastboot mode, try another one. USB-port (preferably) USB 2.0 at the back of the system unit) or replace the cable. Sometimes you need to manually install Xiaomi drivers through Device Manager.

Launch the Mi Flash Tool on behalf of the administrator. Press the Refresh button to allow the program to detect the device. In the address bar, insert the path to the folder with the unpacked firmware. At the bottom of the window, select Clean all mode to ensure a clean installation without conflicts of old files.

Press Flash and wait until the process is over. Success status in green means successful completion. The phone will automatically reboot. The first boot after this procedure can last up to 10 minutes, so be patient and don't try to turn on the screen ahead of time.

EDL mode: saving the “brick” and deep firmware

If the phone doesn't respond to buttons, doesn't turn on or is constantly restarted (bootloop), EDL (Emergency Download) may be required. This is a low-level mode that allows you to write data directly to the controller's memory. To enter this mode on the Redmi 4A, you often need to disassemble the case and close special contacts on the board.

This mode may not be suitable for a regular Mi Flash Tool if the account is not authorized, often requiring an authorized Mi Account with engineering rights or paid unlock services, a level of advanced repair when standard methods are powerless.

⚠️ Attention, entry mode EDL unnecessarily and using unverified “left” accounts for firmware can lead to the final lock of the device on the Internet. IMMI on the server side of Xiaomi.

The process is this: the phone is disassembled, test points are closed (usually two small dots on the board, the location depends on the revision), the device is connected to the PC. In Device Manager, it is defined as Qualcomm HS-USB QDLoader 9008. After that, the firmware is selected in the Mi Flash Tool and the process begins.

Common mistakes and ways to solve them

In the process of firmware, users often encounter error codes. One of the most common is error: couldn't find. mi_flash_lock Or a message that the bootloader is locked, which means you're trying to install global firmware on a phone with a Chinese bootloader locked, and the solution is one: unlock Bootloader officially through Mi Unlock.

Another common problem is the signature verification fail, which occurs when you try to roll back to an older version of Android or MIUI, which is prohibited by security policies, and only EDL mode or search for special workarounds that are regularly closed by the manufacturer will help.

• 🔋 Power Error: If the red lights up during the status blinking, most likely the cable has moved away or the battery has died.
• 💻 Driver error: If Mi Flash writes "No device", check Windows Device Manager.
• 📂 The path to files: make sure that there are no Russian letters and spaces on the way to firmware.

Sometimes, certain features may not work after firmware, such as a camera or Wi-Fi. This is a sign that a firmware has been installed that is not intended for your particular model (for example, for Redmi). 4X instead 4A). Check the code names of the models: Redmi 4A codename rg3 (Global) or prada (China).

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The main cause of firmware errors is inattention. Checking the model, bootloader version and firmware file integrity takes 2 minutes, but saves troubleshooting hours.