A: No. Firmware updates only affect the operating system. Your recorded video data on the hard drive remains intact. However, settings (IP addresses, camera names, schedules) may reset to factory defaults. Always export your configuration (Menu -> Maintenance -> Export Config) before updating.
A: Generally, no . While Lorex and Night Owl sometimes use TVT hardware, they modify the firmware for their own app ecosystem. Flashing pure TVT firmware onto a rebranded unit will disable the remote viewing app. Tvt Dvr Firmware Download Free
Disclaimer: The author is not affiliated with TVT Digital Technology. Always verify firmware compatibility using the official documentation provided by your DVR manufacturer. Leave your exact TVT model number in the comments below (if on a forum) or contact TVT support directly with the hardware version ready. While Lorex and Night Owl sometimes use TVT
