How to reflash Xiaomi Redmi Note 7: 3 proven ways + error solving

Xiaomi Redmi Note 7 (codename lavender) remains a popular smartphone even 5 years after its release. However, over time, the original MIUI firmware begins to slow down and updates stop coming out. Flashing the phone can solve performance problems, add new features or even install custom firmware like Pixel Experience or LineageOS.

In this guide, we will look at all the current ways to flash the Redmi Note 7 in 2026, from the official update via MIUI Updater to manual installation via Fastboot and TWRP Recovery. Special attention will be paid to unlocking the bootloader, without which most methods will not be used. You will also find a firmware compatibility table and instructions for solving typical errors like Anti-Rollback or Invalid Image.

1. Preparation for flashing: what to do before the beginning

Flashing is a process that can both revive your Redmi Note 7 and turn it into a brick if you neglect preparation.

• 🔋 Charge the phone at least 60%. When discharged during firmware through Fastboot, the device may fail.
• 📱 Make a backup copy through Settings → Additionally. → Backup or Mi Cloud. This will save contacts, SMS and application settings.
• 🔓 Find out the status of the bootloader: if it is locked (by default), most methods will not work).
• 💻 Install drivers: for Windows, download Mi Flash Tool (includes drivers), for Linux/Mac — Check for adb and fastboot in the terminal.

If you are planning to install custom firmware (unofficial), additionally:

• 🛡️ Unlock the bootloader through the Mi Unlock Tool (instructions in the next section).
• 🔄 Install. TWRP Recovery – an alternative recovery menu that allows you to flash ZIP-file.
• ⚠️ Check out the Anti-Rollback version (ARB). Installation of the old firmware on the new version ARB lock up the phone!

⚠️ Attention: On the Redmi Note 7 with MIUI 12.5+ Xiaomi has tightened its unlock policy, requiring account-to-device binding and waiting 72 to 168 hours after first linking before unlocking.

2. Unlock the bootloader on Redmi Note 7: Step-by-step

Without an unlocked bootloader, you can only upgrade via MIUI Updater or Fastboot with Xiaomi's official firmware. For custom firmware, Magisk (route) or TWRP, unlocking is mandatory.

Instructions for 2026 (current for MIUI 14 and later):

1. Link your Mi Account to your phone: Go to Settings → Xiaomi Account. Sign in (if not, sign up). Enable Data Sync and Find your device.

Activate debugging over USB

• Launch the utility, log in to the same Mi Account and follow the instructions. When you first connect, you will see a message about the device's association with the account.
• Wait 72–168 hours (3–7 days) Xiaomi blocks unlocking immediately after pegging.

⚠️ Warning: If you see an error when unlocking "Couldn't unlock. Current account is different from the account info on the device," you are logged in to another Mi Account on your phone and to the Mi Unlock Tool. Check the login and wait for the specified time.

Method 1: Officially Update via MIUI Updater (without unlocking)

The safest method is to upgrade through the built-in MIUI Updater app, which is suitable if:

• 📲 You want to upgrade to the latest stable version. MIUI.

Instructions:

1. Open the MIUI Updater app on your phone.
2. Slap the icon. ⚙️ (setting) → Select a Service Package.
3. If you have an update, download it. If you don't, download the full firmware package for your model from MIUI Downloads.
4. After download, click Update and wait for the reboot.

Advantages of the method:

• ✅ Without the risk of “bricking” the phone.
• ✅ All data and settings are stored.
• ✅ Does not require a Fastboot or TWRP.

Disadvantages:

💡

Officially updating through MIUI Updater is the only method that doesn’t require unlocking the bootloader or resetting data, but it’s limited to stable versions of MIUI.

4. Method 2: Fastboot firmware (for official and custom firmware)

The Fastboot method is suitable for:

• 🔓 Devices with unlocked loader (for custom firmware).

What you need:

• 💻 PC Windows/Linux/Mac and established ADB/Fastboot.
• 📱 Cable USB Type-C (preferably original).
• 📁 Firmware in.tgz or.zip format (download from Xiaomi Firmware Updater).
• 🛠️ Mi Flash Tool (for Windows) or fastboot in the terminal.

Step-by-step:

Download the firmware for the lavender model (Redmi Note 7)| Unpack the archive into a folder without Cyrillic |Install drivers (Mi Flash Tool for Windows) |Enable debugging over USB on your phone | Charge your phone >60%

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1. Turn off your phone and press Power + Volume Down to log into the Fastboot.
2. Connect your phone to your PC and check for detection by the command: fastboot devices should show a serial number of the device.
3. Unpack the firmware in a folder (for example, C:\MIUI\). There's gotta be a file inside. flash_all.bat (for Windows) or scripts for Linux/Mac.
4. For Windows: Open the Mi Flash Tool. Press Select and select the firmware folder. At the bottom, select Clean all or Clean all and lock (if you want to lock the bootloader after you have firmware). Press Flash and wait for completion (5-10 minutes).

For Linux/Mac

• Open the terminal in the firmware folder.
• Execute the command for complete cleaning:./flash_all.sh
• Or to save data (not recommended):./flash_all_except_storage.sh

Once the firmware is successful, the phone will automatically restart. The first run can take 10-15 minutes - don't interrupt the process!

⚠️ Note: If after the firmware through Fastboot the phone hangs on the Mi logo, it means: You have stitched an incompatible version MIUI (Check Anti-Rollback. Or forget to unlock the custom firmware bootloader. Solution: Sweat the official firmware through Fastboot with the Clean all option.

5. Method 3: Install custom firmware through TWRP Recovery

If you want to install Pixel Experience, LineageOS or other custom firmware, you’ll need TWRP Recovery, an alternative recovery menu that requires an unlocked bootloader and is suitable for power users.

What needs to be done:

1. Download TWRP for Redmi Note 7: Official: twrp.me. or unofficial (e.g. from OrangeFox) for better compatibility.
2. Install TWRP via Fastboot:
3. Make a backup in TWRP (Backup section), select: 📁 Boot 📁 System 📁 Data (optional but recommended)

Flush the firmware.

• Press Install. → choose ZIP-firmware.
• Add Magisk.zip (if you need a root).
• Swipe to confirm (Swipe to confirm).
• Clear the cache: Wipe → Format Data → type “yes”
• Reboot to the system (Reboot → System).

Popular custom firmware for Redmi Note 7 (2026):

• 📱 Pixel Experience (Android 13/14) — Pure Android with Pixel features.
• 📱 LineageOS 20 - stable firmware with minimalistic design.
• 📱 ArrowOS – Balance between productivity and customization.
• 📱 MIUI EU — formal MIUI China-bound.

💡

Before installing custom firmware, check on the XDA or 4PDA forum if it supports Google Camera (GCam) and Banking Apps (for example, Sberbank can block work on uncertified firmware).

6. Typical firmware errors and how to fix them

Even if you follow the instructions, you can make mistakes, and here are the most common ways to solve them:

If the phone doesn’t turn on at all (hard-brick), try:

1. Connect your phone to your PC in Fastboot mode (press Power + Volume Reduction for 10-15 seconds).
2. Sweep through the official firmware via the Mi Flash Tool with the Clean all and lock option.
3. If the PC can’t see the device, try another cable/port or reinstall the drivers manually through Device Manager.

Try another PC or virtual machine with Windows 10.

fastboot