Sena 10 c wont update and read any sd card

I have also tried to format the SD card, reboot the computer, upgrade device manager and nothing seems to work. My Sena is recognised, but at 22-23% of the update it says "Failed to update firmware. Check you SD Card

Bought different sizes and makes of memory card but still same problem.

At the moment due to this it won't record data to any memory card!

I've also had to reset the Sena many times as sometimes it refuses to turn on.


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