A: No. The firmware is stored on the flash chip. Footage on the hard drive remains, but the database index may need to rebuild (can take 24 hours). Do not reformat the HDD after a firmware update.
The search string "dhinvr4108h8p" likely points to a Dahua network video recorder. The correct official model name appears to be . The "H" and "8P" suffix denote an 8-channel PoE (Power over Ethernet) version, popular for home and small business systems. dhinvr4108h8p firmware full
Upgrading or recovering the firmware on your Dahua DH-XVR4108H-8P Digital Video Recorder (DVR) is critical for system stability. Firmware updates patch security vulnerabilities, fix software bugs, resolve camera compatibility issues, and prevent boot-looping. fix software bugs