The device MJSTG1 Xiaomi is a compact and functional gadget that extends the capabilities of your TV or monitor. Despite its modest size, it can turn a regular screen into a smart entertainment center with support for Android. TV, But many users have difficulty connecting the first time: the TV can't see the device, the network problems, the interface is not displayed correctly.
In this article, we will discuss all the current ways of connecting. MJSTG1 — from the base connection through HDMI We'll focus on the nuances that the manufacturer often fails to address: choosing the right cable, adjusting screen resolution, updating firmware before first use. Whether you’ve just unpacked the box or are trying to revive the device after resetting, here you’ll find clear instructions without water or general phrases.
What is it? MJSTG1 and why.
MJSTG1 — It's an Android-based media player. TV, Xiaomi released to integrate with the smart home ecosystem, and it's essentially a flash drive mini PC that connects to a TV through a port. HDMI And it converts it into a full-fledged smart TV:
- 📺 Streaming video in resolution before 4K HDR (Netflix, YouTube, Prime Video and others.)
- 🎮 Games via Google Play and emulators (including support for gamepads)
- 🗣️ Voice control via Google Assistant or Alice (when paired with Xiaomi speakers)
- 🏠 Smart home management via Mi Home (compatible with sensors, lamps, robot vacuum cleaners)
Similar devices (e.g., Mi) TV Stick or NVIDIA Shield) MJSTG1 It's different from the Xiaomi ecosystem optimization and support for branded services like Mi Video or Mi Game Center, but to work properly, you need the right connection - and here many users make mistakes.
It is important to understand that MJSTG1 It's not a standalone TV, it's an addition to your existing screen. 2015 year and year, and does not HDMI 2.0, certain functions (e.g, 4K@60Hz) may not be available.
Compilation and preparation for connection
Before you start setting up, check the complete setup of your MJSTG1. In the standard box, you should have:
- 📦 The device MJSTG1 (black or white body with the Mi logo)
- 🔌 Cable USB-C → USB-A feeding
- 📄 Short instructions (often in several languages, but without details)
- 🔑 Guarantee card (in some regions)
What is not included in the package, but will be required for work:
- ⚡ Power supply (needed with exit) 5V/2A — Charging from the Xiaomi smartphone is suitable)
- 📺 HDMI-cable (if your TV doesn't have a free port) HDMI)
- 🌐 Wi-Fi router with support for 2.4 GHz or 5 GHz (for wireless connection)
Pay attention: MJSTG1 not working USB-The use of a substandard power supply can lead to overheating or spontaneous reboots, the best option is the original charging from Xiaomi or a certified analogue with similar characteristics.
What happens if you use a non-original cable? HDMI?
Connection methods MJSTG1 television-to-TV
There are three main ways to connect. MJSTG1 The choice depends on your TV model and the connectors available.
1. Connection through HDMI (basic)
This is the most reliable and recommended method.
- Put it in. MJSTG1 freeport HDMI If you have multiple ports, choose one that supports HDMI 2.0 (usually marked as ARC or HDMI 1/2).
- Connect the cable. USB-C To the device and to the power supply.
- Turn on the TV and select the signal source corresponding to the port. HDMI, plugged-in MJSTG1 (Usually a source or input button on the remote).
If the screen remains black:
- 🔄 Reboot. MJSTG1, shut off power for 10 seconds.
- 🔍 Check that the cable HDMI It is tightly inserted (sometimes a small effort is required).
- ⚙️ Try another port. HDMI — Some TVs block the signal at certain inputs.
2. Connection through HDMI-extension device (if the port is not available)
If it's a port HDMI on the TV is located in an uncomfortable place (for example, on the side and closed with a bracket), you can use an extension cord HDMI. It is important to choose a high-quality extension with support 4K and HDCP 2.2, otherwise, you may have problems playing protected content (e.g. Netflix).
Example of reliable models:
| Model | Length | 4K support | Price (2026) |
|---|---|---|---|
| UGREEN HDMI 2.0 | 1m | Yes. | ~800 ₽ |
| Baseus HDMI 2.1 | 2m | Yes (up to 8K) | ~1 200 ₽ |
| Xiaomi Mi HDMI | 1.5 m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m | Yes. | ~600 ₽ |
⚠️ Attention: Cheap extension cords without certification can cause signal delays or screen flickering. If the image breaks or the sound lags after you connect, try connecting without the extension cord.
3. Wireless connection via Miracast (alternative)
MJSTG1 It supports Miracast technology, which allows you to duplicate the screen of your smartphone on your TV without wires:
- ✅ It only works with TVs that support Miracast or Wi-Fi Direct.
- ❌ No support. 4K — maximum resolution 1080p.
- ⚠️ Possible sound and image delays (not suitable for gaming).
To connect:
- On the TV, activate Miracast mode (usually in the Network menu). → Wireless projection).
- Nana MJSTG1 Go to Settings. → Display and sound → Wireless display.
- Select your TV from the list of available devices.
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If the TV can't see MJSTG1 You can use Miracast to update your firmware to the latest version, and older versions of the software often don't work as well.
Setting up MJSTG1 after first connection
After successfully connecting to the TV MJSTG1 This is a 5-10 minute process that involves a few key steps.
1. Choice of language and region
On the first screen, you'll be asked to choose the interface language, and we recommend that you set "Russian" even if you speak English, which will make it easier to navigate the menu.
- Choose your current country (or your current region).
- Accept the terms of use (mandatory step).
- Connect to a Wi-Fi network (if the router is hidden, click Add Network and enter the name manually).
⚠️ Note: If you choose a region other than Russia, some services (e.g. Wink or Wink) OKKO) You can change the region later, but that would require resetting the device.
2. Firmware update
After connecting to the Internet MJSTG1 It will automatically check for updates. Don't miss this step - fresh firmware fixes compatibility errors with TVs and adds new features.
To update manually:
- Go to Settings → About the device → System update.
- Click Check for updates.
- If an update is found, confirm the installation and wait for the reboot.
It takes 10 to 20 minutes. Don't turn off power during the upgrade, which can lead to a build-up of the device that requires recovery via the PC.
3. Screen resolution setting
By default. MJSTG1 It chooses a resolution that's compatible with most TVs, but it's not always optimal:
- Go to Settings → Display and Sound → Screen Resolution.
- Choose the maximum resolution supported by your TV (for example, 3840×2160 (4K) upon 60 Hz).
- If the image is lost or lost, wait 15 seconds – the device will automatically return to the previous settings.
For Xiaomi TVs, we recommend enabling Dolby Vision mode (if supported) for improved color rendering.
Connect MJSTG1 ce HDMI|Connect power through USB-C|Select the right signal source on TV|Update firmware|Set up screen resolution-->
Connection MJSTG1 smartphone-wise
MJSTG1 You can use it not only with a TV, but also with a smartphone -- to control a device, transfer files, or duplicate a screen.
1.Management through Mi Remote application
If you lost your remote control MJSTG1 Or it works unstable, you can use a smartphone as a replacement:
- Download the Mi Remote app from Google Play or the App Store.
- Connect your smartphone and MJSTG1 single-wire.
- In the app, select Add Device → Android TV.
- Follow the instructions on the screen for pairing.
The annex supports:
- 🎛️ Full-fledged remote with control buttons.
- 🔍 Voice search (via smartphone microphone).
- 📱 Gestures for navigation (for example, swipe for scrolling).
2. Transfer of files over a local network
To copy movies, music or photos from your smartphone MJSTG1:
- Nana MJSTG1 Install a file manager (for example, FX File Explorer).
- In the manager settings activate FTP-server SMB-server.
- On your smartphone, connect to the address indicated on the screen MJSTG1 (for example, ftp://192.168.1.100).
- Copy the files to the Download or Movies folder.
⚠️ Note: To transfer files larger than 4 GB, use an external drive (a flash drive or hard drive) connected to the MJSTG1 port USB. The internal memory of the device is limited.
3.Duplicating the smartphone screen on the TV
If you want to broadcast your smartphone screen to your TV through MJSTG1:
- On Android: Use the Wireless Display feature (in Connected Devices settings).
- On iPhone: You will need additional software, such as ApowerMirror.
Please note: there may be delays when dubbing, so it is better to use live streaming through apps for games or videos (for example, YouTube on YouTube). MJSTG1).
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For stable operation of Miracast and file transfer smartphone and MJSTG1 You must be connected to a single Wi-Fi network (4G/5G) unsupported.
Solving Typical Connection Problems
Even with the right connection, users are faced with errors, and let's look at the most common ones and how to fix them.
1.The TV doesn't see MJSTG1
If, after connecting to HDMI The screen is black or the message No signal appears:
- 🔌 Check that the cable HDMI It is good (try another cable).
- ⚡ Make sure that MJSTG1 receives power (the indicator must burn).
- 🔄 Reboot your TV and device (turn off both for 30 seconds).
- ⚙️ On the TV, turn on the mode. HDMI-CEC (usually in the settings of the system → Management HDMI).
If the problem persists, try connecting. MJSTG1 to another TV or monitor to prevent port failure HDMI.
2. No sound when connected
The sound may disappear for several reasons:
- 🔊 The TV has the wrong sound source (check the audio output settings).
- 🎧 V MJSTG1 activated HDMI ARC, but the TV does not support it (unplug in Settings) → Sound).
- 🔕 In the application (for example, Netflix) the sound is turned off – check the volume control inside the player.
For diagnosis:
- Connect to MJSTG1 headphones via Bluetooth – if there is sound, the problem is HDMI.
- Try playing the sound through another app (like YouTube).
3. MJSTG1 constantly overheat
Overheating – a frequent problem with heavy use (e.g. when viewing) 4K-video or games. To avoid this:
- 🌡️ Do not close the device – provide ventilation (for example, use a stand).
- ⚡ Do not use the power supply with a voltage higher 5V.
- 🔄 Clean the app cache regularly (in Settings) → Annexes).
If MJSTG1 shuts down due to overheating, let it cool for 10-15 minutes before re-energizing.
4. Wi-Fi or the Internet is not working.
Network connection problems are usually related to:
- 📶 Incorrectly entering your password (check the register of characters).
- 🔒 Blocking. MAC-addresses on the router (add) MJSTG1 list of permitted devices).
- 🌐 5GHz network incompatibility (try 2.4GHz).
To reset network settings:
- Go to Settings → Network and Internet → Wi-Fi.
- Click Forget the Network and connect again.