Go to > System Setup > System Admin > System Upgrade . Select Local Upgrade .
: Do not power off the device during the 5–10 minute process. Firmware & Resource Links Source/Provider Download Center Datasheets and brochures for K9604-W kits. Upgrade Help Zosi Support Official guide for fixing NVR crashes and upgrade files. User Manual ManualsPlus Steps for USB formatting and post-upgrade camera matching. Reichelt Data Technical parameters for 1080P K9604-W wireless kits. Common Issues & Fixes Lost Camera Connection k9604w firmware
Beyond standard upgrades, users have documented solutions for more advanced issues: Go to > System Setup > System Admin > System Upgrade