How to Update Mi TV Stick Firmware (Step-by-Step Guide)

The Xiaomi Mi TV Stick is one of the most popular streaming dongles among users who want to turn traditional televisions into smart hubs using the Android TV operating system. With its extremely compact form factor and minimalist remote control featuring Google Assistant support, it performs the task of bringing modern streaming applications to older screens beautifully. However, with continuous use and the installation of heavy applications, many users report system lag, video buffering issues, or app incompatibilities. In most cases, these issues are resolved by a simple action: updating the device's firmware.

To update your Mi TV Stick system firmware, navigate to the Settings menu (gear icon) > Device Preferences > About > System Update and select Check for Updates to allow the Android TV system to download and install the latest software patch automatically. Keeping the system firmware updated is crucial to get the latest Android security patches, fix network drivers affecting Wi-Fi stability, and optimize the device's limited RAM performance.

If you also use other smart streaming devices and want to learn how to configure them or perform troubleshooting resets to eliminate chronic system lag, check out our step-by-step guides on how to setup Roku Express and how to factory reset Roku Express to compare different streaming platforms.

1. Why Keeping Your Mi TV Stick Firmware Updated Matters

The Android TV operating system on the Mi TV Stick functions like a modified, TV-optimized version of the Android mobile OS. Just like with a smartphone, streaming service developers (such as Netflix, YouTube, Disney+, and Max) regularly update their software code. To run these modern apps smoothly and securely, the apps require recent system APIs that are only present in the latest firmware builds.

In addition to ensuring app compatibility, keeping your Mi TV Stick updated provides the following hardware benefits:

• Wi-Fi Driver Patches: Firmware updates often include updated network drivers, resolving common bugs like random Wi-Fi disconnections and slow speed drops.
• RAM Optimization: The standard Mi TV Stick features only 1 GB of RAM. System updates introduce better background process management, preventing freezes when switching apps.
• Android Security Patches: Protects your streaming player and linked user accounts from digital vulnerabilities on your local network.

2. Step-by-Step Mi TV Stick Firmware Update Guide

Before initiating the update process on your Mi TV Stick, verify that your home internet connection is stable and that there is no risk of the device losing power during the installation. A power cut during a firmware flash can corrupt the Android boot sector, permanently damaging the streaming stick.

Follow these detailed steps to perform the update:

1. Turn on your television and go to the Mi TV Stick Home screen.
2. Using the remote control, navigate to the top-right corner and select the Settings icon (the gear).
3. From the settings menu list on the right, click Device Preferences (some system versions jump straight to the "About" menu).
4. Select About.
5. Click the first option in the list, which is System Update.
6. The Mi TV Stick will query Xiaomi's update servers. If a new firmware version is available, click Download.
7. Wait for the device to download the update package. The download time will vary based on your local network speed.
8. Once the download completes, select Restart Now to begin the system flashing process.

During the system installation (which displays the Android logo and a progress bar), do not press any buttons on your remote control and never unplug the device from its power source. The Mi TV Stick will restart automatically when the installation is complete, loading back into the updated home menu.

DomineTec Tip: The Mi TV Stick is highly sensitive to power input stability. If you see error messages or the device restarts on its own while searching for updates, make sure the USB cable is connected to the original 5V/1A AC wall charger instead of a USB port on your TV, which usually doesn't supply enough current for system-intensive tasks.

3. Technical Model Comparison Table

The following table highlights the hardware features of the two main Xiaomi TV Stick models, showing how their capabilities relate to system updates and memory management:

4. Troubleshooting a Frozen Mi TV Stick Update

One of the most concerning scenarios is when a Mi TV Stick freezes during an update on the Android recovery screen (showing a fallen Android robot with an "Error" or "No command" text) or gets stuck in a boot loop at the Xiaomi logo.

If this happens to your device, the system file was likely corrupted due to an unstable power supply. To fix this, you must perform a hard factory reset using Android TV's Recovery Mode menu:

1. Unplug the Mi TV Stick from its power source.
2. On your Mi TV Stick remote, press and hold the OK (center circle) button and the Back button simultaneously.
3. While holding those buttons down, point the remote at the device and plug the Mi TV Stick back into a USB wall outlet.
4. Keep holding the buttons until you see the Android Recovery menu screen appear on your TV.
5. Use the remote directional keys to scroll down to Wipe data/Factory reset and press the center OK button to confirm.
6. Select Yes to wipe the corrupted system data partitions.
7. Finally, select Reboot system now to restart the device with a fresh, working operating system.

If you have updated your device and find that it still suffers from lag due to outdated 1 GB RAM hardware limitations, it may be time to consider an alternative. Read our review on whether the Fire TV Stick 4K is worth it as a fast, high-performance streaming alternative.

5. Optimizing Performance Post-Update

After upgrading your Mi TV Stick firmware, you can make a few quick setting adjustments within Android TV to improve responsiveness and free up system memory:

Disable System Window Animations: Go to Settings > Device Preferences > Developer Options. (If you don't see this, go to About and click on "Build" seven times until developer mode is unlocked). Under Developer Options, locate "Window animation scale", "Transition animation scale", and "Animator duration scale", and set them all to Animation off or 0.5x. This makes menu transitions instantaneous.

Clear Up Storage Space: Avoid filling the internal 8 GB storage completely. Keep at least 2 GB of space free so the Android OS can manage temporary cache files efficiently without slowing down.

If you also use other media adapters and want to look at specific wireless network optimization guides, read our tips on what to do when your Roku Express won't connect to Wi-Fi to configure your home network correctly.

Frequently Asked Questions (FAQ)

1. Can I update the Mi TV Stick without the physical remote?

No, you need a way to navigate to the settings. However, if you lost your physical remote, you can download the "Google TV" app on your smartphone to use it as a virtual remote control, provided your phone and the Mi TV Stick are connected to the exact same Wi-Fi network.

2. How long does a Mi TV Stick firmware update take?

The entire update process, including downloading the file, preparing the system directories, and restarting the device to write the firmware, typically takes between 10 and 15 minutes depending on your internet connection speed.

3. Will updating the firmware delete my logged-in accounts?

No. Standard OTA (Over-The-Air) firmware updates only replace system files and update built-in Android TV apps. All of your personal configurations, logged-in streaming applications, and saved accounts will remain untouched.

4. What should I do if no update is showing up?

If the device displays that your system is up to date, it means Xiaomi has not released any new firmware packages for your hardware batch. Your Mi TV Stick is running the latest official version supported for its device class.

6. Fixing Out-of-Storage Issues During System Updates

Because the Mi TV Stick has a very limited internal storage capacity of just 8 GB—almost half of which is reserved for the Android TV operating system files—users frequently encounter the "Insufficient storage space" error when trying to update. Firmware updates usually range between 600 MB and 1.2 GB in size. If the device does not have this amount of free space on the user partition, the firmware installation will fail or refuse to start downloading.

To free up space on your device, navigate to Settings > Apps and select See all apps. Choose applications you do not use regularly (such as games or media utility tools) and click Uninstall. Next, select your major streaming apps (like Netflix, Max, or YouTube) and select Clear cache and Clear data. This action removes accumulated temporary files that quietly consume gigabytes of storage over time, freeing up enough space for the firmware update to download and install successfully.

7. Re-enabling Sideloading and Security After the Update

One of the main benefits of using an Android TV device like the Mi TV Stick is the ability to install applications from external sources (Sideloading). However, major system updates or security patches often reset security settings back to their factory defaults, which blocks third-party APK installations for security reasons.

After completing your Mi TV Stick firmware update, you will need to re-enable third-party installation permissions. Go to Settings > Device Preferences > Security & restrictions (or Settings > Apps > Special app access on newer builds), select Unknown sources, and toggle the permission on for your web browser or file manager app. Keeping your device updated ensures that even when sideloading custom media players, Android's built-in Google Play Protect system scans installation files for malicious scripts to protect your local network devices.

8. Speeding Up Xiaomi Server Connection with Custom DNS Settings

Sometimes, Xiaomi's content delivery networks (CDNs) experience local congestion, resulting in a "Connection failed" error on the update screen despite having active Wi-Fi. You can resolve these domain lookup timeouts by configuring high-performance public DNS servers on your Mi TV Stick.

Go to Settings > Network & Internet > select your Wi-Fi SSID > click IP Settings and switch from DHCP to Static. Keep your default IP address and Gateway, and in the DNS 1 screen, enter 1.1.1.1 (Cloudflare DNS) or 8.8.8.8 (Google DNS). For DNS 2, enter 1.0.0.1 or 8.8.4.4. This tweak bypasses slow ISP routing tables, ensuring the update lookup request goes straight to Xiaomi's servers without latency.

9. Android TV Apps Sideloading Precautions

When running updated firmware, your Android TV core security settings will monitor installation folders closely. Sideloading applications is a great way to expand the media capabilities of your hardware, but always download APK files from reputable databases (such as APKMirror) to avoid injecting malware into your home smart ecosystem. Avoid granting administrative or root permissions to apps downloaded outside the official Google Play Store to maintain overall privacy.

10. Automating Android TV Updates via System Schedules

The Android TV platform contains a background service that automatically polls Xiaomi OTA servers during idle hours (typically during late-night idle hours). To ensure this background service runs smoothly, keep your Mi TV Stick connected to its power adapter continuously rather than shutting it down completely when turning off your television.

If you leave the device in standby mode (low-power state), the scheduler will check for new patches, download them in the background, and prompt you to run the installation sequence the next time you boot up the system, saving you the effort of manually navigating through the settings menus every month.

11. Clearing System Partition Space Manually via ADB

For power users who find that deleting standard apps does not free up enough space, you can connect the Mi TV Stick to a computer using Android Debug Bridge (ADB). By enabling ADB debugging under Developer Options, you can run commands such as adb shell pm clear to force clear cached data of system processes that are not visible in the standard user interface. This is particularly helpful for removing remnants of old software updates that failed to delete, ensuring your system storage is perfectly optimized before installing the new firmware update.