Trimui Smart pro Firmware
1. Find another free SD card and be careful not to use an SD card with your own content.

2. Use any SD flash writing tool, such as win32DiskImager, Etcher, WinImage, to burn img files into an idle SD card, thus obtaining a rescue card.

3. Turn off the device, insert the newly created rescue card, press power to turn on the device, wait for the pregress bar shown on screen to start flashing, and wait until the progress bar finished, and the device update completed.

4. Remove the rescue card, insert it back into your original content card, and turn it on.

5. To clear and format the rescue card to normal MBR/Fat32, please use PhoenixCard.


