The Lorex Secure / FLIR Secure app for smartphones and tablets supports LHB Series DVR password updates through the app.
To update your HD WiFi camera or DVR / NVR system password:
Launch the Lorex Secure / FLIR Secure app on your smartphone or tablet.
Tap a channel connected to the DVR / NVR you want to change the password for to initiate the Live View.
Tap the Gear icon () beneath the Live View to open the Settings menu.
Swipe up to reach the bottom of the menu, and then tap Device Settings.
Tap Update Password.
Enter a new password and then tap Update.
Your new password will be used to access your HD WiFi camera or DVR / NVR system directly, as well as remotely using a smartphone, tablet, or computer.
Click here for information on how to modify your camera password using the FLIR Secure web portal.