sd card format

Solution
If you havent set a security PIN, then there is probably a default PIN somewhere in the manual.

Failing that, take it out and format it with a PC.

Windows built in formatter is deliberately crippled as far as FLASH memory is concerned, so download Aomei Partition Assistant, and format the card with that.

CaptainCretin

Commendable
Jul 18, 2016
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If you havent set a security PIN, then there is probably a default PIN somewhere in the manual.

Failing that, take it out and format it with a PC.

Windows built in formatter is deliberately crippled as far as FLASH memory is concerned, so download Aomei Partition Assistant, and format the card with that.
 
Solution