1. Download the firmware and SD tool.

SMALLRT X3 (1GB+8GB) Firmware download (Please contact with the sales to get the latest firmware.)

SMALLRT X3 (2GB+8GB) Firmware download (Please contact with the sales to get the latest firmware.)

SMALLRT X3 (2GB+16GB) Firmware download (Please contact with the sales to get the latest firmware.)

SD tool download

2. Unzip the compressed firmware and SD tool files on your computer desk.

3. Insert the SD card into your computer.

4. Double-click the SD tool file , and then open the SD_Firmware_Tool.exe file

. It will show a window like below:

  •  Here to choose the SD card which you use to flash
  •   Tick this option.
  •   Choose the image file

  • Click the Make button. Then it will show several windows, successively click “OK(确定)” “Start(开始)” “OK(确定)” “OK(确定)”, until it shows the following windows:

Click “OK(确定)”. The SD upgrading card is completed.

5. Unplug the SD card from your computer and insert it in the TF card slot on your SMALLRT X3 TV box. Then connect the HDMI cable, next plug the power, last press once the on-off key.

6. Upgrading

7. Finished.

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