Web GUI → Status → Firmware Version → v5.2.1.37-en-ptc01
: Using the web interface (GUI) vs. a physical USB/microSD card. v5.2.1.37-en-ptc01 firmware download
sha256sum v5.2.1.37-en-ptc01.bin
: Installing the wrong customization (e.g., trying to put a ptc01 version on a ptc02 hardware revision) can permanently disable your camera. Web GUI → Status → Firmware Version → v5
A Solid Firmware Update - v5.2.1.37-en-ptc01 Review navigate to System Maintenance > Upgrade
: Log into the device's web interface, navigate to System Maintenance > Upgrade , and select the .bin or .dav file you downloaded.