1. Product Overview
The Janmifly T1 Ultra TV Box is a smart streaming media player designed to enhance your home entertainment experience. Featuring a powerful RK3518 quad-core processor, Android 16 OS, 8GB RAM, 128GB internal storage, and support for 8K Ultra HD video decoding, it delivers smooth performance and stunning visuals. With dual UI interfaces, Wi-Fi 6, Bluetooth 5.4, and smart voice control, it offers a personalized and convenient way to access movies, TV shows, games, and more.
Package Contents
Before you begin, please check the package contents:
- T1 Ultra TV Box
- Voice Remote Control
- HD TV Cable (HDMI Cable)
- Power Cable
- User Manual (this document)
- Color Box

2. Setup Guide
2.1 Physical Connection
Follow these steps to connect your T1 Ultra TV Box to your television:
- Plug the HDMI cable into the HDMI port on your TV.
- Connect the other end of the HDMI cable to the HD port on the TV Box.
- Plug the power cable into the power adapter.
- Connect the power adapter to the DC 5V port on the TV Box.
- Plug the power adapter into a wall outlet.
- The TV Box will automatically boot into the Android OS.

2.2 Remote Control Pairing
The remote control uses Bluetooth for connection. Follow these steps to pair it:
- Ensure the remote control is within 1 meter of the TV Box.
- Install batteries into the remote control, ensuring correct polarity.
- For the first pairing, press the 'Voice Key' (microphone icon) on the remote control once. The red light on the remote control will enter a high-frequency flickering state. Wait a few seconds for the pairing to complete.
- For subsequent reconnections via Bluetooth, simply press any button on the remote control.

2.3 Network Connection
The TV Box supports both wired (Ethernet) and wireless (Wi-Fi) network connections.
Wired Connection (Ethernet)
If your TV Box has a LAN port, connect an Ethernet cable from your router to the LAN port on the TV Box. The connection should be established automatically.
Wireless Connection (Wi-Fi)
- From the main screen, navigate to Settings.
- Select Network & Internet.
- Choose Wi-Fi to turn on the Wi-Fi function.
- Select your desired Wi-Fi network from the list.
- Enter the Wi-Fi password and select Connect to network.
- Once connected, you can use the TV Box normally.
3. Operating Instructions
3.1 Navigating the Interface
The remote control allows you to navigate through the TV Box interface:
- Navigation (Arrow buttons): Move between menu items.
- Select (OK button): Confirm selections.
- Back: Return to the previous screen.
- Home: Go to the main home screen.
- Vol Up/Down: Adjust volume.
- Power On/Off: Turn the TV Box on or off.
3.2 Dual UI Interface
The T1 Ultra TV Box features a dual UI interface, allowing for free switching between static (ATV Launcher) and dynamic user interfaces to improve user experience and personalize content for different family members.

3.3 Customizing Wallpaper
You can personalize your TV Box by setting dynamic video wallpapers:
- Click on the 'Background' option on the home page UI to enter the wallpaper selection interface.
- Choose a favorite wallpaper and press the OK button.
- Confirm to set it as wallpaper. The system will automatically return to the main interface after successful replacement.
- You can also click 'Add Media' to add any live wallpaper you like for more personalized options.

3.4 Application Management
Switching Applications
To switch between applications:
- Click on 'Apps' or 'My Apps' to view recently used programs or a list of all installed applications.
- Click on the desired program icon to switch to that application.
Setting Application Shortcut Keys (Quick Mode)
You can set shortcut keys for frequently used applications:
- Press and hold the 'OK' button on the remote control for 3 seconds to enter the 'Set Application Shortcut' interface.
- Select the application you wish to set as a shortcut.
- Press the 'OK' button to confirm.
- After successful settings, you can quickly launch the application by pressing the 'OK' key.

Installing Applications from USB
To install applications from a USB flash drive:
- Download the desired software in APK format to a USB flash drive from your computer.
- Connect the USB flash drive to a USB port on the TV Box.
- On the TV Box, find and open the 'File Browser' application.
- Navigate to and select your USB device.
- Locate the downloaded APK file and click to install it.
- A 'Device is being installed' message will appear.
- Once the installation is complete, the software icon will be displayed in the application menu.
3.5 Smart Voice Control (Google Assistant)
The TV Box supports smart voice control via the Google Assistant:
- Click the 'Voice Key' (microphone icon) on the remote control to display the pairing prompt interface.
- Press and hold the 'Voice Key' according to the prompt until the TV screen automatically exits the pairing prompt interface. Release the button. The Google Assistant is now paired.
- Click the 'Voice Key' again. A voice bar prompt will appear on the TV screen.
- Long press the 'Voice Key' and speak your command into the remote control. Release the button once you have finished speaking. The Google Assistant will execute your command.

3.6 Multi-Screen Interconnection (Casting/Mirroring)
The TV Box supports wireless screen mirroring and casting from compatible devices like cell phones and tablets to your TV screen.
- Ensure your TV Box and the mobile device (phone, tablet) are connected to the same network (wired or Wi-Fi).
- Use the casting or screen mirroring feature on your mobile device (e.g., Airplay, DLNA) to connect to the TV Box.
- Once connected, content from your mobile device will be displayed on your TV.


3.7 Using Netflix
To use Netflix on your TV Box:
- Ensure your TV Box is connected to Wi-Fi.
- Open the 'Netflix' application (usually represented by a black icon).
- When the login interface appears, click the 'Mouse' switch button on the remote control to activate mouse mode.
- Use the mouse pointer to click the login button within the Netflix application.
- Click the 'Mouse' button again to switch back to remote control mode.
- Enter your Netflix account email and password to log in.
- Once logged in, use the mouse mode of the remote control to select and play videos.
4. Maintenance
4.1 System Updates (OTA)
The TV Box supports Over-The-Air (OTA) updates to receive new firmware and features. Connect to the internet via Ethernet or Wi-Fi to automatically receive updates.
- Connect the TV Box to the internet.
- Go to Settings > System Update.
- Select the OTA icon and enter the update interface.
- When the download is finished, click Upgrade Now.
- After the upgrade is successful, the Box will restart and enter the Main Menu.

4.2 Heat Dissipation
The TV Box features a high-efficiency cooling system with multiple vents to prevent overheating during extended use, ensuring stable performance.

5. Troubleshooting
- No display after power on: Confirm your device is properly connected to the TV and that your TV is set to the correct HDMI input.
- TV has images but no sound: Ensure your TV is not muted and the volume is not set too low. Check audio settings on the TV Box.
- Failure to connect to the network:
- For wired connection: Make sure the Ethernet cable is properly connected.
- For Wi-Fi connection: Ensure Wi-Fi is functional on the TV Box and your router, and that the TV Box has a strong enough signal.
- Remote control failure:
- Replace the remote control batteries with new ones, ensuring correct polarity.
- Make sure the remote control is within effective range of the TV Box.
- Go to the Setting menu to unpair and re-pair the remote control.
- Slow Wi-Fi speed: Check if your router is Wi-Fi 6 compatible with Wi-Fi 5 AC mode. Some Wi-Fi 6 routers operating in 'ax' mode on 5GHz may not support compatible Wi-Fi 5 AC mode, potentially leading to slower speeds.
- Remote cannot navigate on some apps: This is common for apps designed for touchscreens. Use the remote's mouse mode (click the 'Mouse' button) or connect an external USB mouse or wireless keyboard for better navigation.
- TV Box frequently restarts: This may indicate incompatible apps or corrupted data. It is recommended to perform a 'factory data recovery' in the settings menu.
6. Specifications
| Feature | Specification |
|---|---|
| Product Name | Android TV BOX |
| Model | T1 ULTRA |
| OS | Android 16 |
| CPU | RK3518 Quad Core Cores-A53 |
| GPU | Mali 450 MP2 |
| Memory (RAM) | 8 G DDR3 |
| Internal Storage (ROM) | 128GB eMMC |
| Max. Extended Capacity | TF Card Up To 128GB |
| Max Output | 8K @ 60 Hz |
| Video Code | H.264/AVC, H.265/HEVC, DivX, H.266/VVC, MPEG-2 |
| HDR Standards | HDR10+, HDR10 |
| Audio | Dolby Digital, DTS, DTS:X, Dolby TrueHD |
| Wi-Fi Transmission Standard | 802.11ax (Wi-Fi 6), 802.11ac, 802.11n 2.4GHz/5 GHz, 802.11n 2.4 GHz, 802.11b/g, 802.11a |
| Ethernet | 100M |
| Bluetooth | Yes (BT5.4) |
| USB Ports | 1x USB 2.0, 1x USB 3.0 |
| Video Output | HDMI-Compatible 2.0 |
| Audio Output | Audio line out |
| Power Source | DC 5V, 2A |
| Weight | 0.33 kg |
| Dimensions (L x W x H) | 17 cm x 10 cm x 6 cm (Package) |
| Certification | CE, FCC, RoHS |

7. User Tips
- Language Settings: The TV Box supports multiple languages. To change the language, navigate to Settings > Device Preferences > Language and select your preferred language.
- USB 3.0 for Large Files: Utilize the USB 3.0 port for transferring large files like 4K videos. It offers significantly faster speeds compared to USB 2.0, making backup and playback more efficient.

Figure 13: USB 3.0 Data Transfer Speed
8. Safety Instructions
WARNING!
- Under no circumstances should you attempt to repair the TV Box yourself, as this will invalidate the warranty.
- Place the device on a flat, firm, and stable surface. Do not place it on a carpet or rug, which could obstruct ventilation.
- Ensure the device is in a well-ventilated location to prevent the accumulation of internal heat.
- Protect the device from high temperatures, humidity, water, and dust.
- Do not place any objects near your device that may damage it (e.g., liquid-filled objects or candles).
- Do not mix old and new batteries. Do not mix alkaline, standard (carbon-zinc), or rechargeable (Ni-Cad, Ni-MH, etc.) batteries in the remote control.
- Always use the provided accessories to avoid any risks.
9. Warranty and Support
For detailed warranty information and customer support, please refer to the official product documentation or contact your retailer. The manufacturer is Shenzhen Nanxiangzi Technology Co., Ltd. For technical inquiries, you may contact xianya-innovation@outlook.com.
This product complies with applicable laws and regulations including (LVD) 2014/35/EU, (EMC) 2014/30/EU, (ROSH)(EU)2015/863, and (EU)2017/2102.





