This was the reply from parrot tech support below
Can someone shed some light on what a hard reset will do to my Anafi? Thanks
Thank you for contacting Parrot.
Kindly try to Hard Reset the drone:
Turn on the drone and wait for the initial check up to finish.
Press and hold on the power button until the LED lights on the battery turn Red.
Wait for the drone to restart.
Below is the compatible SD cards list:
Lexar :
Lexar 300X 64GB
Lexar Pro 1000x 64GB
Lexar Pro 1800x 64GB
PNY :
PNY Elite Performance 64GB
PNY Elite Performance 128GB
PNY Turbo 32GB
PNY Turbo 64GB
Sandisk :
Sandisk Extreme 32GB
Sandisk Extreme 64GB
Sandisk Extreme 128GB
Sandisk Extreme Plus 16GB
Sandisk Extreme Plus 64GB
Sandisk Extreme Plus 128GB
Sandisk Extreme Pro 128GB
Sandisk Industrial 16GB (Included with Anafi)
Sandisk Ultra 32GB
Sandisk Ultra 64GB
Sandisk Ultra 128GB
Sandisk Ultra 200GB
Sandisk Ultra 256GB
Sandisk Ultra 400GB
Sony :
Sony SR UZA 128GB
Also, please make sure that the SD card is formatted to FAT 32 before using it with the drone.
In case you are using a Windows 10 computer/Laptop, you'll need to install a third-party tool to format the SD card to FAT 32.