Ericsson Enterprise Wireless recommends using USB storage devices from well-known USB-device manufacturers. The USB storage device must be formatted as FAT32. The volume size limit for USB flash drives using FAT32 is 32 GB, for reasons that are related to the standards for USB flash drives and the USB mass-memory class specifications.
When using USB storage devices, always consider their security implications. USB storage devices can be used to transmit malware.