Hi rideon I had that same problem with one of the ds 708 I bough,t in my case the card was defective I purchace a 16gb sandisk from radio shack you can use a 4gb 8gb 16 gb I am not sure about 32g any way use a laptop that has a sd card reader copy and paste all the info from the old card to the new one then delete all the car brand the do a complete update do all this with a laptop much faster then the scanner and less chance of an error I tought I share my experience with you while you wait for support from autel hope this helps you post back your results good day.