Flash TZ Error on Xiaomi: What it is and how to fix it in 2026

The Flash TZ Error error on Xiaomi devices is one of the most frightening problems for users. It can appear on smartphones (Redmi, POCO, Mi), TVs (Mi TV, Redmi TV), or even smartwatches after a failed firmware update, reset or tampering with system files. In most cases, the device stops booting, freezes on the logo or goes into an endless reboot, and the screen flaunts the words Flash TZ Error or TZ Error with the code 0x.

What is the reason for this mistake? TZ (Trusted Zone is a secure partition of memory responsible for device security (encryption, biometrics, DRM-If this partition is damaged, the system cannot complete the loading, most often the problem is caused by a problem:

• 🔄 Interrupted update (power is turned off, battery is down, server error).
• 🛠️ Incorrect firmware (installed a version of the software not for your model or region).
• 🔓 System hacking (attempting to unlock the bootloader, root rights, or modifications) boot.img).
• 💾 Hardware failure (damage to flash memory, chip wear) eMMC/UFS).

The good news is that 80% of Flash TZ Error errors can be fixed without going to the service center, and this article provides step-by-step instructions for Xiaomi smartphones and TVs, as well as tips on how to avoid recurring problems.

1 What does the Flash TZ Error Error mean on Xiaomi

TZ stands for Trusted Zone, an isolated area of memory where critical data is stored:

• 🔐 Keys to encrypting user data.
• 🆔 Unique device identifiers (IMEI, serial).
• 🎬 DRM-High-resolution video playback certificates (Netflix, Disney)+).
• 👆 Biometric patterns (fingerprints, facial recognition).

When the system detects a damage in this partition, it blocks the boot to prevent data leakage or unstable operation.Flash Error TZ Error can be accompanied by additional codes:

• 0x8000000d: Checksum damage (CRC)
• 0x40080007 – Incompatibility of TZ and firmware versions.
• 0x1 or 0x0 is a hardware memory failure.

On Xiaomi TVs, the bug often appears after an automatic update if:

• 📶 There was an unstable internet connection.
• ⚡ Power was turned off during installation.
• 🔌 Used an unoriginal cable or power supply.

⚠️ Note: If the error occurred after trying to root or unlock the bootloader through fastboot, standard recovery methods may not work. EDL-mode (emergency loading mode).

2. Method 1: Hard Reset (Hard Reset)

The first and easiest method is to reset the device to factory settings, which will help if the error is caused by a software failure rather than physical memory damage.

For Xiaomi smartphones:

1. Turn off the device (press the power button for 10-15 seconds).
2. Press the Power + Volume combination up until the Mi logo appears.
3. From the Recovery menu, select Wipe Data → Wipe All Data (use volume buttons for navigation, power for confirmation).
4. After reset, select Reboot → Reboot to System.

For Xiaomi TVs:

1. Turn off the TV for 1 minute, then reconnect.
2. On the remote, press the Menu + Volume button down for 10 seconds at the same time.
3. Select Factory Reset (may be called Wipe Data) from the service menu.
4. Confirm the reset and wait for the reset.

⚠️ Note: Some Redmi Note models and POCO After a hard reset, you may need to re-assign your Mi Account. If you forget your password, use the recovery function at account.xiaomi.com.

3. Method 2: Fastboot flashing

If the reset didn’t work, the next step is to reflash the device in Fastboot mode.This method is suitable for smartphones and requires a computer with Xiaomi drivers installed and the Mi Flash Tool utility.

Step-by-step:

1. Download the official firmware for your model from the Miui Download website (choose the Fastboot version, not Recovery).
2. Unpack the archive in a folder on the C:\ disk (the path should not contain Cyrillic!).
3. Install Xiaomi and Mi Flash Tool drivers.
4. Turn off your smartphone and press Power + Volume down to log into Fastboot.
5. Connect the device to the PC and in the Mi Flash Tool specify the path to the folder with the firmware.
6. Press Refresh, then Flash (select Clean All option).

Important: If the device again shows Flash TZ Error after firmware, try:

• 🔄 Switch an older version of the software (sometimes a new firmware contains bugs).
• 🔧 Use it. EDL-Mode (requires an authorized Xiaomi account).
• 🔍 Check the integrity of the downloaded firmware (compare hash amounts on the site and in the archive).

Method 3: Recovery through EDL-regime (for experienced)

If the Fastboot doesn't work, the last chance is to run through EDL (Emergency Download Mode), which allows you to overwrite even damaged memory, but requires:

• 🖥️ Windows computer.
• 🔌 Cable. USB Type-C (preferably original).
• 🔑 Authorized Xiaomi Account (for new models).
• 📦 Firmware in.mbn or.elf format.

Instructions:

1. Download the Mi EDL Tool and firmware for your model.
2. Turn off the device and connect it to the PC, holding the buttons Volume up + Volume down (on some models you need to close the test points on the board).
3. In Device Manager, check that the Qualcomm HS-USB QDLoader 9008 device has appeared.
4. Launch the Mi EDL Tool, select the firmware and press Flash.

⚠️ Attention: Firmware through EDL with unofficial tools (e.g. QFil) may result in a lock IMEI loss DRM-Use only the verified firmware from the forums. XDA Developers or 4PDA.

5. Method 4: Checking for hardware faults

If none of the software methods worked, it could be a hardware breakdown, and it's often the fault of:

• 💾 Damaged flash memory (eMMC chips or UFS They fail after 3-5 years of intensive use).
• 🔌 Faulty power controller (insufficient voltage to initialize memory).
• 🔥 Overheating or corrosion of contacts (for example, after moisture is ingested).

How to diagnose:

• 🔍 Check if the device is heating up when connected to charging (overheating indicates short circuiting).
• 🔊 Listen to the sounds: clicks or squeaks when turned on can talk about problems with nutrition.
• 🔋 Try connecting another charger (sometimes the error is due to insufficient current).

If you suspect a hardware malfunction:

1. Contact the Xiaomi service center (warranty repair is possible if there was no interference with the software).
2. Check the cost of memory replacement: on Redmi smartphones it costs 3-7 thousand rubles, on TVs – 5-15 thousand.
3. If the device is old (such as the Redmi 4X or Mi TV 3S), repairs may not be cost-effective.

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Before visiting the service center, take a picture of the serial number of the device (usually indicated on the box or under the battery) and this will speed up the diagnostic process.

6. Method 5: Alternative methods (for Xiaomi TVs)

On Mi TVs and Redmi TVs, Flash TZ Error is often associated with damage to the boot or dtbo partition. In addition to resetting and firmware, you can try:

Method 1: Update via USB

1. Download the firmware for your model from the Xiaomi Support website (choose a file with the.zip extension).
2. Unpack the archive and copy the update folder to the flash drive (FAT32 format).
3. Insert the flash drive into the TV, press Menu + Volume up on the remote and turn on the power.
4. From the recovery menu, select Apply update from USB.

Method 2: Reset via service menu

Some models (such as the Mi TV 4X) have a hidden combination:

1. Turn the TV off the socket.
2. Press on the Menu + Back remote.
3. Connect the power and hold the buttons for 10-15 seconds.
4. Select Factory Reset or Clear TZ Data from the service menu.

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On Xiaomi TVs, after reset, you may need to reset Wi-Fi and log in to your Mi Account. If the TV is not connected to the network, check it out. MAC-address in settings - he could have dropped to the factory.

7. How to avoid Flash TZ Error Error in the future

To avoid running into Flash TZ Error again, follow these rules:

• 🔄 Update the firmware only through official channels (Settings) → The phone. → Updating the system).
• 🔋 Do not turn off the device during the upgrade (even if the process is too long).
• 🛡️ Do not install custom firmware without unlocking the bootloader (this violates integrity). TZ).
• 🔌 Use original cables and power supplies (cheap accessories can cause voltage surges).
• 📱 Make backups regularly through Settings → Additionally. → Backup.

For Xiaomi TVs:

• 📶 Connect TV to the network via Ethernet cable, not Wi-Fi (so download updates are more stable).
• ⚡ Use a Uninterruptible Power Supply (UPS) if your network has frequent power outages.
• 🔄 Do not press buttons on the remote during the update (this may interrupt the process).

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If your Xiaomi TV often "hangs" on the logo, check the temperature of the radiator on the back.

FAQ: Frequent questions about Flash TZ Error