Use a drive between 4GB and 32GB, formatted to FAT32 .
For smartphone access, HiFocus uses apps like Velocity and Guling , which can be found on the Play Store or App Store. How to Update HiFocus DVR Firmware hifocus dvr software update
For advanced users using HiFocus’s CMS software (like CMS Pro or HiP2P): Use a drive between 4GB and 32GB, formatted to FAT32