So lets get onto the solution:
- Connect the radio to PC via USB (don’t pull out the SD card from T16)
- Please completely delete ALL files on the SD card
- Format the SD card
- Copy the following to the new SD card file in. You can download the file from here: https://www.jumper.xyz/portal.php?mod=view&aid=17
If you have any questions please let me know and I can try to help.