The ReadyView NVR has firmware that can be updated via the mobile app.Note: ReadyView does not support rolling back the firmware to an older versionTo update the WD ReadyView device firmware, please follow the steps below:Launch the WD ReadyView mobile app Tap the options icon at the top left corner of the screen Tap FIRMWARE Tap on the Device model number {WDBULT0020HWT OR WDBELL0040HWT}If the firmware is up-to-date, the status will show as LATEST and the current version will be displayed. There is no further action is required.If the firmware is not up-to-date, the both current and latest versions will be displayed. Tap START UPGRADE at the bottom When you see Upgrade the devices(s)? message appear, Tap OK The update process may take a few minutes, then the status should show as LATEST and the "new" current version will be displayed.