How to Install Firmware, Apps, and Updates on Xiaomi Redmi: All Ways 2026

Xiaomi Redmi smartphones are known for their flexibility and customization capabilities, but installing new software can raise questions even among experienced users. To avoid errors when updating the system, installing custom firmware or third-party applications, it is important to understand all the nuances of the process. In this article, we will discuss the official and informal methods of installing software on Redmi devices, and also explain how to prepare the phone to minimize risks.

Whether you want to simply upgrade MIUI to the latest version or install an alternative firmware like LineageOS, the algorithm will be different. We will look at each step in detail, from unlocking the bootloader to choosing the right version of the software for your model, and pay special attention to the typical errors that can turn a simple upgrade into a headache.

1. Preparation of the Xiaomi Redmi smartphone for software installation

Before any software manipulation, make sure your Redmi is ready for the procedure. Neglect of preparation is the main reason for "bricking" devices. Start by checking the current version of MIUI: go to Settings → About Phone → MIUI Version. Write down this information - it will come in handy for choosing a compatible firmware.

Also critically important:

• 🔋 Charge the battery to a minimum 60% (optimally — 80-100%). Interrupting the process due to discharge can lead to irreversible consequences.
• 📱 Backup all data through Settings → Additionally. → Backup and reset or with Mi Cloud.Some installation methods require a complete reset.
• 🔌 Prepare original USB-cable and computer (for methods using Fastboot or ADB). Cheap cables often cause data transmission errors.
• 🔒 Make sure the phone is locked off OEM In Settings → For developers (if you plan to unlock the bootloader).

Important: Xiaomi devices with MediaTek processors (e.g. Redmi 9A, Redmi 10C) require a special approach when unlocking the bootloader through the SP Flash Tool, while models on Snapdragon (Redmi Note 11, Redmi K50) work with the classic Fastboot.

Check the model and version MIUI|Create a backup copy|Charge the phone. >60%|Prepare. USB-cable|Disable the lockdown OEM (if necessary)-->

2.Official ways to install MIUI updates

The safest method is to use Xiaomi’s built-in tools. The company regularly releases updates through OTA (Over-The-Air) that can be installed without a computer. To check for updates, go to Settings → About Phone → System Update. If an update is available, the system will prompt you to download and install it.

For mandatory verification of updates:

1. Open the Update app (an icon with an arrow in a circle).
2. Slip on the three-point menu in the upper right corner and select Download the latest version.
3. If the update doesn’t appear, try changing the region to Settings → Additional → Region to India (there are often updates earlier).

If OTA-Update is not available, you can install it manually through Recovery:

1. Download the full service package (.zip) from the official MIUI Downloads website (select your model!).
2. Rename the file to update.zip and move it to the phone’s root folder.
3. Press Volume Up + Power to log in to Recovery, then select Install update.zip.

Through OTA (automatically)|Manually through Recovery|Through Fastboot from PC|I'm not updating at all.-->

3. Unlock the bootloader on Xiaomi Redmi

To install custom firmware or modified cores, you need to unlock the bootloader. Xiaomi officially allows this, but the process requires waiting and accuracy.

Algorithm of action:

1. Link your Mi Account to your phone in Settings → Xiaomi Account.
2. Go to the Mi Unlock website and download the Mi Unlock Tool.
3. Launch your phone in Fastboot mode (clip Volume Down + Power).
4. Connect your device to your PC and log in to the Mi Unlock Tool with the same account as your phone.
5. Click Unlock and wait until it’s finished (it can take up to 720 hours for new accounts!).

⚠️ Warning: Once the bootloader is unlocked, the phone will become vulnerable to malware. Install only verified firmware from reliable sources (for example, installing the firmware from reliable sources, XDA Developers or Official Forum MIUI).

List of models with unlocking features:

4. Install custom firmware through TWRP

For experienced users who are not satisfied with the standard MIUI, The alternative will be custom firmware like LineageOS, Pixel Experience or ArrowOS. TWRP.

Step-by-step:

1. Install. TWRP For the first time, Fastboot: Fastboot Flash Recovery twrp-3.7.0_12-0-redminote11proplus.img fastboot reboot recovery
2. In TWRP, run Wipe → Format Data (this will delete all data!).
3. Transfer the firmware (.zip) to your phone via MTP or ADB Sideload.
4. Install the firmware through Install → Select a file → Swipe to Confirm Flash.
5. After installing the firmware, be sure to flash GApps (if not included in the package) and Magisk (for root rights).

Popular firmware for Redmi in 2026:

• 📱 Pixel Experience – Pure Android with Pixel features (suitable for Redmi Note 11, K50).
• 🛡️ LineageOS is a stable firmware with a long support life (Redmi 9, Note 10).
• ⚡ ArrowOS – Optimized Performance (Redmi) K60, Note 12 Pro).
• 🎨 Havoc-OS – maximum customization (requires a powerful processor).

5. Install applications outside the Play Market (APK and XAPK)

Sometimes you need to install an app that is not in Google Play (for example, a regionally blocked or beta version). On Xiaomi Redmi, this can be done in several ways, but you first need to allow installation from unknown sources.

How to enable APK installation:

1. Go to Settings → Applications → Special Access Rights → Installation from Unknown Sources.
2. Select an application (such as File Manager or Browser) through which you will install the APK and allow it to be installed.

Methods of installation:

• 📁 Through File Manager: Download APK/XAPK, Open it with Mi File Explorer and follow the instructions.
• 🌐 Through the browser: Some sites (such as APKMirror) allow you to install APK directly from the mobile version.
• 💻 Through ADB: Connect your phone to your PC and use the command: adb install example.apk

⚠️ Attention: Installation of modified APK (For example, from sites like ACMarket or BlackMod, you can ban your account in games or block Google services.

1. Delete the previous version of the application.

2. Clear the cache and data of Google Play Services in the settings.

3. Install APK through ADB flag-headed -r (Replacement: adb install -r example.apk-->

System Recovery after Failed Installation

If after installing the firmware or updating the phone stopped turning on (stuck on the Redmi logo or flashing Fastboot), do not panic - in 90% of cases, the device can be brought back to life.

Recovery steps:

1. Hard reset: Press Volume up + Power for 10-15 seconds. If the phone vibrates and reboots, the problem may be the software.
2. Fastboot Firmware: Download Fastboot firmware for your model from Xiaomi website and use the command: fastboot flash all firmware.zip
3. EDL-Mode (for bricks): If the phone doesn't respond to buttons, you'll need a special cable or box to run through Emergency Download Mode (power users only!).

If nothing works, contact the Xiaomi service center with a check of purchase. In most cases, recovery through the EDL is possible even without a warranty, but the cost can reach 30-50% of the price of the phone.

💡

Before contacting the service, try flashing your phone through the Mi Flash Tool in clean all mode - this will delete all data, but often solves loading problems.

7. Frequent errors and their solutions

Even when following instructions, users face typical problems, and here are the most common ones and how to fix them:

If your error is not listed in the table, try to find a solution in the forums:

• 🔧 XDA Developers – a section for your Redmi model.
• 💬 Official forum MIUI (Use an interpreter for Chinese branches).
• 📱 Telegram chats on firmware (for example, MIUI Russia).

FAQ: Answers to popular questions