How to open Xiaomi Mi 7A: unlock the bootloader, reset password and restore the system

Xiaomi Mi 7A

Mi TV Box 7A

Mi Box S 7A

unlock

All the current ways to unlock

fastboot

ADB

Many people mistakenly think that the 7A — It's a smartphone, but it's actually an Android media set-top box. TV. This is important because the unblocking procedures for TV-If you're trying to unlock a Xiaomi smartphone, you need another instruction: check the model.

Before you start, make sure that the problem is in the lock. Maybe the device just hung or needs to restart. Try turning off the power for 30 seconds, then turn it on again. If the password request appears on the screen and you do not remember it, read the section on reset via recovery. If the console does not load at all (the Mi logo flashes or hangs on the screensaver), you will need to unlock the bootloader.

1. Reset password through the recovery menu (recovery)

The easiest way to get back access to Xiaomi Mi 7A — Hard reset via the standard recovery menu, which will delete all data but keep the device running. PIN-code.

To enter recovery:

1. Turn off the power to the console.
2. Press the OK button (center button on the remote) and connect the power cable.
3. Hold the button until the Mi logo and recovery menu appear.

In the recovery menu, use the volume buttons on the remote for navigation and the OK button for selection. Find Wipe Data/Factory Reset and confirm the reset. Once complete, select Reboot System Now.

⚠️ Warning: If you want to enter a password in the recovery menu, this method will not work.

Once reset, the console will boot as new, you will need to reset your Wi-Fi connection and log in to your Google account, and if you previously had a Xiaomi account attached, you will need to confirm it, too.

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If the remote does not respond in the recovery menu, try connecting USB-keyboard or mouse through OTG-adapter.

2. Unlock the bootloader via Fastboot (official method)

If the Mi 7A doesn’t boot or you want to install custom firmware, you’ll need to unlock the bootloader. Xiaomi lets you do this officially, but the process requires confirmation through your Mi Account.

What you need:

• 🖥️ Computer with Windows/Linux/macOS and installed drivers ADB/Fastboot.
• 🔌 Cable USB (better-than-original).
• 📱 Xiaomi account tied to the device (if the console was previously used).
• 🔧 Mi Unlock Tool (download from the official website).

Step-by-step:

1. Turn on fastboot: Turn off power. Press the Back button on the remote and plug in the power cable. Hold on until the image of a rabbit in a fastboot hat appears.

Mi 7A

Mi Unlock Tool

Xiaomi

Follow the instructions of the program. Unlocking will take 5-10 minutes.

After successfully unlocking the bootloader, you can flash the device through fastboot or install custom recovery (such as TWRP).

⚠️ Warning: Official unlocking resets all data and can cancel the warranty. If the prefix is warranty, contact the service center.

Download Mi Unlock Tool from the official website|Install drivers ADB/Fastboot|Link Xiaomi account to device|Prepare. USB-cable|Backup of data (if possible)

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3. bypassing the blocking of Google account (FRP)

If after the Mi reset 7A You need to log in to a Google account that you previously logged in to, this is called FRP-Factory Reset Protection: Overtake it on Android TV It is more difficult than smartphones, but it is possible.

Ways to bypass FRP on Mi 7A:

• 🔑 Official: Enter the account you previously linked to, and if you don't remember, restore access through Google Account Recovery.
• 🛠️ Through ADB: Connect the device to the computer and delete the file /data/system/gesture.key (Root rights are required).
• 📦 Firmware: Install clean firmware via fastboot (deletes all data).

For the ADB bypass:

1. Connect the console to your computer in fastboot mode (as in the previous section).
2. Open the command line and type in: adb shell rm /data/system/gesture.key reboot
3. After the reboot, the FRP lock should disappear.

If this method does not work, only the firmware through fastboot remains (instructions in the next section).

4. Firmware through Fastboot (if the device does not boot)

If the Xiaomi Mi 7A doesn’t turn on or is stuck on the logo, a full flashing through fastboot will help, which will return the device to factory status, but delete all data.

What you need:

• 💾 Official firmware for Mi 7A (Download the Xiaomi Firmware Updater).
• 🖥️ Computer with installed ADB/Fastboot.
• 🔌 Cable USB (preferably original).

Instructions:

1. Unpack the archive with firmware in a folder fastboot_rom.
2. Connect the console to the computer in fastboot mode.
3. Launch the file. flash_all.bat (for Windows or flash_all.sh (for Linux/macOS).
4. Wait for the process to be completed (5-15 minutes).

Once the firmware is installed, the device will boot as new, and if the process is interrupted, try again or check the cable.

Yes, many times | Yes, once | No, but I want to learn | No, I'm afraid to break the device

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5 Unlocking through service codes (hidden menus)

The Xiaomi Mi 7A has service codes that allow you to access hidden settings. They won’t help you reset your password, but they can be useful for diagnostics.

Useful codes for Mi TV Box:

• 📡 ##4636## - Network and connection information.
• 🔋 ##4634## - Display and sound test.
• 📱 ##284## - Touch button test (if any).

To enter the code:

1. Open the TV Launcher app (main screen).
2. Run the standard Calculator application.
3. Enter the code as a mathematical expression (e.g. 4636 instead of #4636##).

These codes don't work on all versions of the firmware, and if nothing happens, your version of MIUI TV doesn't support them.

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Service codes do not replace unlocking the bootloader or resetting the password, but they help diagnose hardware problems.

6. Alternative ways of unlocking

If none of the above has worked, try these methods:

Method 1: Using OTG and mouse

If the console is loaded, but requires a password, connect through OTG-adapter USB-Sometimes this allows you to bypass the locking of the screen by moving the cursor without entering the password.

Method 2: Recovery with Mi Assistant

The official Mi Assistant utility (available on Xiaomi's website) can help restore a device if it's computer-defined. Connect the Mi 7A in fastboot mode and follow the program's instructions.

Method 3: Contacting a Service Center

If the device is warranty or you are not confident in their abilities, it is better to contact an authorized service center Xiaomi. the cost of unlocking usually does not exceed 1-2 thousand rubles, but you will avoid the risk of "bricking" the console.

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Before visiting the service center, back up your data if the device is switched on at all. Use the Send Files to TV app to transfer files to your phone.

7. Frequent mistakes and how to avoid them

When unlocking the Xiaomi Mi 7A, users often make these mistakes:

• ❌ Use of non-original cable: Cheap USB-cables may not be fastboot. Use original cable or quality replacement.
• ❌ Interrupting the firmware: If you turn off the power during firmware, the device can turn into a "brick". USB-port).
• ❌ Incompatible firmware: Install only firmware designed for the Mi model 7A (The firmware from another model will cause the malfunction.

If after unlocking the console does not turn on:

1. Check the power indicator (should be red or white).
2. Try another charger (at least 5V/2A).
3. If the indicator does not burn - the problem in the hardware (power supply or motherboard).

FAQ: Answers to Frequent Questions