This app was mentioned in 3 comments, with an average of 2.33 upvotes
You shouldn't need any exFAT drivers, there's already one for BlackBerry devices: https://play.google.com/store/apps/details?id=com.blackberry.exfat&hl=en_US
NTFS is definitely a no-go. Heck, even Linux servers and desktops have problems with that.
What format do you have it in? I would try ExFAT. Use This (Google Play Link)
Have you installed this App? https://play.google.com/store/apps/details?id=com.blackberry.exfat
You need it for SDXC Memory cards.