Delete/Format a Zosi DVR Hard disk in your security system Follow ZOSI July 28, 2022 15:26 Updated Related articles What if the hard drive can't be formatted by DVR/NVR system? How to reset the DVR system to factory settings? What if the hard drive can't be recognized by DVR/NVR system? Why cant i use the PC Hard Drive for Zosi boxes? ZR08DP Wireless NVR_V1.6.2 Upgrade File_rootfs-3536dv100 (ZSWNVK-H820XX) Comments 0 comments Please sign in to leave a comment.