How to unlock a Xiaomi Mi TV 4X: all working methods 2026

Xiaomi Mi TV 4X — Popular Smart TV with Android System TV, But sometimes users have a problem locking their device, and it can be because they've forgotten it. PIN-Unlike smartphones, unlocking Xiaomi TVs has its nuances: there is no Fastboot mode, and a standard reset through the menu often requires entering a password.

In this article, we will discuss all the current ways to unlock Mi. TV 4X (model L43M5-5AIN, L50M5-5AIN, L55M5-5AIN Others, including bypassing Mi Account lock, resetting service menus and firmware recovery, focusing on methods that work on the latest PatchWall versions (2023–2026 d.) and do not require soldering stations or special equipment.

1. Reasons for blocking Xiaomi Mi TV 4X and their features

Before you start unlocking, it is important to understand what type of lock is activated on your TV, and this depends on the choice of method:

• 🔒 Lockdown PIN-code - manually set in the security settings, most commonly reset via the service menu.
• 📱 Mi Account binding – the TV requires you to enter a username / password from your Xiaomi account after reset or on the first turn on.
• 🔄 Firmware failure: The device only boots to the Mi logo or produces a No Command error.
• 🛡️ Parental Control Blocking – Restricts access to apps or settings, resets through menus or factory resets.

The most common problem is blocking Mi Account. Xiaomi actively uses device-to-account binding to protect against theft, but this makes it difficult to buy used equipment. If the previous owner did not untie the TV, you will not be able to unlock it using standard methods - you will need an official request to support Xiaomi or bypass through firmware.

⚠️ Note: If the TV was bought from hand and locked on someone else's Mi Account, contact the seller to unblock.Without this, some unlocking methods can lead to complete loss of functionality (for example, locking). IMEI Smartphones, but TVs – to the impossibility of updating the software).

2 Unlocking through the service menu (for the purpose of PIN-code-dump)

If the TV is blocked PIN-If you use a code or you need a password after you fail, you can try resetting your settings through the service menu. TV 4X (Except for the case of blocking the Mi Account).

Instructions:

1. Turn off the TV with a button on the remote or on the case.
2. Press and hold the Menu + Volume Down buttons (on the TV body, not the remote!) at the same time.
3. Keep your buttons on, turn on the TV with the power button, and in 5-10 seconds, the service menu will appear.
4. From the menu, select Wipe Data/Factory Reset (use volume buttons for navigation and power button for confirmation).
5. Confirm the reset and wait for the reset.

After the reset, the TV will boot in its initial state, but all application data, accounts and settings will be deleted. PIN-If the TV requires Mi Account data entry, move to the next section.

Turn off the TV for 1 minute

Prepare the charger (if the remote battery is discharged)

Find the Menu and Volume Down buttons on the case

Record the serial number of the TV (in case of request for support)-->

⚠️ Note: Some of the Mi's firmware TV 4X (For example, PatchWall 3.0+) If you just turn on the TV as normal after holding the buttons, try an alternative method: turn off the power, press Menu. + Volume Up, then turn on the TV.

Bypassing Mi Account lock: official and informal ways

Mi Account locking is the hardest thing to do, and Xiaomi uses it as a theft protection, so you can't just reset your settings.

Official request for unblocking

If you have access to an email or phone linked to your account, you can try to restore access to:

1. Go to account.xiaomi.com.
2. Select Forgot Password? and follow the recovery instructions.
3. If your account is not yours, contact the previous owner and ask them to untie the TV in their personal account (Devices → Delete).

If you can’t contact the seller, you just need to contact Xiaomi for support.

• 📄 Prepare a check or document confirming your purchase (if the TV is new).
• 📧 Write in support through the form on the site mi.com/support, Serial number of the TV (located on the back sticker).
• 🕒 The time limit for the request is 3 to 14 days, and if approved, you will be given an unblocking instruction.

Informal methods (at your own risk)

If the official methods didn't work, you can try to bypass the lock through firmware, which requires technical skills and can lead to a loss of warranty.

Method 1: Firmware via USB (for experienced users)

It will require:

• 🔧 Programme Mi TV Assistant (unofficial firmware utility).

Instructions:

1. Download the firmware for your model (for example, mi_tv_4x_l55m5_5ain_stable).
2. Unpack the archive and copy the update.zip file to the flash drive.
3. Disconnect the TV from the network, insert the flash drive into the USB 2.0 port (usually located on the side).
4. Press the Menu button on the case and, without letting go, turn the TV on the network.
5. After 5-10 seconds, the update menu will appear. Select the Apply update from USB and confirm.

Method 2: Use of ADB (for developers)

If you have access to ADB (Android Debug Bridge), you can try to delete your account via the command line:

adb shell


su




pm uninstall -k --user 0 com.xiaomi.account




reboot

However, on the latest PatchWall versions, this method is often blocked and a bootloader is required, which is impossible on Xiaomi TVs without special equipment.

4 Unlocking after a firmware failure (No Command, bootloop)

If the Xiaomi Mi TV 4X only boots to the Mi logo or produces a No Command error, it indicates that the system files are damaged, in which case the flashing through the recovery mode will help.

Steps to recover:

1. Download the official firmware for your model from the website miuirom.org (section Mi TV).
2. Unpack the archive and rename the firmware file to update.zip.
3. Copy it to a formatted FAT32 flash drive.
4. Turn off the TV, insert the flash drive into the USB port.
5. Press the Volume Up button on the case and, holding it, turn the TV on the network.
6. From the recovery menu, select Apply update from USB → update.zip.
7. Once completed, select the Wipe cache and restart the TV.

If the firmware doesn't work, you may have damaged the bootloader partition, and you'll need to flash it through JTAG, which you can't do at home, so you can go to the service center.

💡

If the TV doesn't respond to buttons, try using a remote from another Xiaomi TV or plugging in the keyboard over USB. Sometimes the Ctrl + Alt + Del combination (on the keyboard) helps to force a reboot.

5 Unlocking Parental Controls

If the TV is blocked due to parental control, there are two ways to reset the restrictions:

Method 1: Through settings (if known PIN)

1. Go to Settings → Accounts and Security → Parental Controls.
2. Enter the current one. PIN-code.
3. Select Disable Parental Controls.

Method 2: Reset via service menu (if PIN is unknown)

Use the instructions in Section 2 to reset to factory settings, which will remove all restrictions, but also erase application data.

If parental controls have been established through the Mi Account, reauthorization may be required after the reset.

6. Frequent mistakes and how to avoid them

When unlocking the Xiaomi Mi TV 4X, users often make mistakes that exacerbate the problem.

• ❌ Using unofficial firmware – may result in loss of features (for example, Netflix or YouTube will not work due to the lack of Widevine certificates).
• ❌ Interrupting the firmware process – if you turn off the TV during the upgrade, it may stop turning on.
• ❌ Attempting to unlock via smartphone – methods for Xiaomi smartphones (like Fastboot) don’t work on TVs.
• ❌ Ignoring backup – save data (such as a list of installed apps) via Google Account before resetting.

To minimize the risks:

• 🔋 Use a Uninterruptible Power Supply (UPS) when running firmware to avoid a power outage.
• 📋 Check the TV model before downloading the firmware (a sticker on the back or in the Settings menu) → On TV).
• 🔍 If the TV is bought from hand, ask the seller for a screenshot of the detachment of the account in the personal account Mi Account.

💡

If the TV after unlocking requires re-authorization in Mi Account, and you do not know the data – the only legal way to unlock – an official request in support of Xiaomi with confirmation of purchase.

FAQ: Answers to Frequent Questions