Xiaomi Redmi Note 7 (codenamed lavender) is still a popular device, despite the release of new models, and owners regularly face the need to update Xiaomiβs MIUI, which affects the performance, security and functionality of the phone. However, the upgrade process may raise questions: how to check the relevance of firmware, what methods exist, and what to do if something goes wrong?
In this article, we will discuss all available ways to update. MIUI Redmi Note 7 β from the standard OTA-Updating to manual firmware via Fastboot or Recovery, and paying special attention to the critical nuances that are often missed in general instructions: version compatibility, unlocking the bootloader and recovering data after a reset. If you have never updated the firmware yourself β do not worry: we will explain each step in as much detail as possible, taking into account the specifics of this model.
1.Preparation for the update: what to do before the start
Before you start updating, you need to perform a few critical actions.Neglecting them can lead to data loss, device blink (turning into a brick), or failed firmware installation, especially for the Redmi Note 7, which has features with unlocking the bootloader and support for older versions of MIUI.
First, check the current firmware version. To do this, go to Settings β About Phone β MIUI Version. Write down or take a picture of this information β you'll need it to choose the right update file. For example, if you have MIUI 12.5 based on Android 10, you can't install MIUI 14 on Android 12 right away β you'll need an intermediate upgrade.
- π Charge the phone to at least 60%. interruption of the process due to battery discharge can damage system files.
- π± Back up the data. Use the settings. β Additionally. β Backup and reset or third-party utilities like Mi PC Suite.
- π Prepare the cable. USB. Manual upgrades will require original or quality cable with support for data transfer (not only charging!).
- π Check the stability of the Internet connection. To download firmware weighing 2-3 GB, it is better to use Wi-Fi, not mobile Internet.
If you plan to upgrade via Fastboot or Recovery, you will need to:
- π₯οΈ Windows computer 7/10/11 (For the Mi Flash Tool).
- π Unlocked bootloader (unless previously unlocked).
- π οΈ Used by Mi Flash Tool, ADB/Fastboot, drivers for Xiaomi.
β οΈ Attention: On the Redmi Note 7 Android 9 and older when switching to the new version MIUI You may need to reset your settings completely (wipe), which is due to a change in the partition structure. /data. Pre-save contacts, photos and apps!
Method 1: Automatic Air Update (OTA)
The easiest and safest method is to upgrade by air" (OTA, It's suitable for most users, because it doesn't require technical skills and it saves all the data:
- β³ The update comes with a delay (sometimes up to a few weeks after release).
- π Not all versions are always available (for example, they may be skipped). MIUI 13 if you're on MIUI 12.5).
- π΅ Requires a stable Internet connection.
To check for updates:
- Open Settings β About the phone β System update.
- Click on the icon "..." in the upper right corner and select "Update Package" (if it is already downloaded).
- If the update is available, click "Download" and wait for the download to complete.
- After downloading the system will offer "Install" - confirm and wait for the reboot.
If the update does not come, try the following steps:
- π Restart your phone and check again.
- π‘ Connect to another Wi-Fi network (sometimes the mobile operator blocks large files).
- ποΈ Check if updates are suspended in the settings (in the same menu System Update).
β οΈ Attention: If after OTA-update phone started to overheat or discharge quickly, perform reset to factory settings via Settings β Additionally. β Resetting. This often solves problems with optimizing new firmware.
π‘
OTA-Update is the safest method, but it may skip the intermediate versions. MIUI. If you need a specific firmware (for example, to fix a bug), use manual installation.
Method 2: Manual installation via Recovery
If automatic updates are not available or you want to install a specific version of MIUI, you can use manual firmware through Recovery.This method saves user data (if you don't wipe), but requires the correct choice of firmware file.
For Redmi Note 7, only files with the.zip extension and the "Recovery ROM" tag are suitable.
- π Official website MIUI (Choose a Global Region, EEA Russia).
- π₯ Xiaomi Firmware Updater (unofficial but reliable source with archived versions).
Installation instructions:
βοΈ Step-by-step installation through Recovery
More on each step:
- Download the firmware for your model and region. The file name should contain the version, for example: miui_LAVENDERGlobal_V14.0.1.0.SFGRUXM_....
- Move the file to the root of the phone's internal memory (not to folders!). The file name should remain update.zip (if it's different, rename it).
- Boot in Recovery: 1. Turn off the phone. 2. Press the Power + Volume buttons up until the MI.3 logo appears. Select the language (if required).
- From the Recovery menu, select "Install update.zip" (or similar) and confirm the installation.
- Once completed, press "Reboot" to reboot.
If the phone has been stuck on the MI logo for more than 10 minutes after installation:
- π Force it to restart (clutch power) + Loudness down for 15 seconds).
- π§ If it doesnβt work, repeat the installation, but before doing so, wipe cache in Recovery.
What if Recovery doesnβt see the update.zip file?
4. Method 3: Fastboot Firmware (for power users)
Fastboot is the most reliable firmware installation method, but it's also the most complex one.
- π§ You need to restore the phone after a failure.
- π₯ You need to install a stable version after beta testing.
- π The bootloader is already unlocked (mandatory condition!).
For the Redmi Note 7, you will need:
- π₯οΈ Windows computer and administrator rights.
- π Cable USB Type-C (original).
- π οΈ Used by Mi Flash Tool, ADB/Fastboot, Xiaomi drivers.
- π Fastboot firmware ROM" (file with the extension.tgz or.zip).
Step-by-step:
- Unpack the firmware in a folder without Cyrillic characters (for example, C:\MIUI\lavender_fastboot).
- Install drivers for Xiaomi (you can download from the official website).
- Upload the phone to Fastboot mode: 1. Turn off the phone. 2. Press Power + Volume down until the hare appears in the hat-eared (lago Fastboot).
- Connect your phone to your PC and start the Mi Flash Tool.
- In the program, click "Select" and specify the path to the unpacked firmware.
- Select firmware mode: Clean all β complete cleaning (recommended when changing the Android version); Clean all and lock β cleaning + lock the bootloader (only if it was officially unlocked!); Save user data β saving data (risky, can lead to bugs).
"Flash"
| Firmware mode | Is the data preserved? | When to use | Risks. |
|---|---|---|---|
| Clean all | β No. | When changing the Android version (for example, from 10 to 11) | Minimum (recommended method) |
| Clean all and lock | β No. | If the bootloader has been officially unlocked and you need to block it | May require re-unblocking |
| Save user data | β Yes. | Update within one version of Android | High risk of bugs and unstable work |
β οΈ Note: If the phone does not turn on after firmware through Fastboot, and the Mi Flash Tool contains an error "critical partition flashing is not allowed", then you are trying to install firmware on the blocked bootloader. Unlock it through the official tool Xiaomi.
π‘
Before you use Fastboot, disable the antivirus on your PC β it can block Mi Flash Tool files as βsuspicious.β
5. Solving common errors in the update
Even if you follow the instructions, you can still get errors, and letβs look at the most common issues on the Redmi Note 7 and how to fix them.
Error: "Cannot verify update" in Recovery
Reasons:
- π The firmware file is corrupted or not intended for your model.
- π The firmware is not signed (if downloaded from an unofficial source).
Decision:
- Download the firmware again from the official website.
- Check the file name β it should be update.zip (without additional characters).
- If you use custom Recovery (such as TWRP), try installing firmware through it by disabling signature verification.
This package is for lavender devices; this is a lavender
This error means you are trying to install firmware for another model (e.g., the Redmi Note 7 Pro, codename violet).
- Check the code name of your device in Settings β About Phone β Model (should be lavender).
- Download the firmware specifically for lavender (not violet, olive, etc.).
phone is stuck on startup MI logo after update
Reasons:
- π Version incompatibility (e.g., switching from Android 9 to Android 11 without an interim update).
- ποΈ Damage to system files during installation.
Decision:
- Load into Recovery (Nutrition + Volume Up).
- Do wipe data/factory reset (setting reset).
- Re-install the firmware via Recovery or Fastboot.
Error 7 in the Mi Flash Tool ("Flash is not done")
Most often it occurs due to:
- π Unstable. USB-Connections (try another cable or port).
- π₯οΈ No drivers (install Mi) USB Driver).
- π Damaged firmware file (download again and check check the checksum) MD5).
How to check the MD5 firmware?
6. How to roll back to the previous version MIUI
Sometimes, after updating, users encounter bugs, brakes or an uncomfortable interface, in which case you can roll back on the previous version of MIUI, but this process has nuances:
- π Recoiling is possible only through Fastboot or Recovery.
- β οΈ When you downgrade the Android version (for example, from 11 to 10) you need a complete reset.
- π If the bootloader was blocked after the update, it will have to be unlocked again.
Instructions for rollback:
- Download the desired firmware version (for example, MIUI 12.5 instead of MIUI 14) from the official website.
- If you roll back to an older version of Android, unlock the bootloader (if it is blocked).
- Install the firmware via Fastboot in "Clean all" mode.
- After installation, perform the initial setup as after purchase.
β οΈ Attention: Retracement to the version MIUI older than the one installed on the phone when you buy, can cause loss IMEI And the problem with the mobile network, and that would require a recovery. IMEI through an engineering menu or service center.
7. Optimization of work after updating
After a successful MIUI update, it is recommended to perform several steps to keep the phone running smoothly:
- π§Ή Clear the cache: Go to Settings β Memory. β Clean and select "Clean the cache".
- π Reboot your phone 2-3 times, which helps the system optimize its background processes.
- π΅ Disable unnecessary background apps: Settings β Annexes β Application management β Auto-start.
- π Calibrate the battery: Discharge the phone to automatically shut down. Charge to 100% without interruption. Repeat the cycle 2-3 times.