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.
Perform a factory reset. On first boot, select English from the dropdown. If still Chinese, reflash the same full firmware again via USB, then immediately factory reset. dhinvr4108h8p firmware full
However, like any sophisticated embedded device, its performance, security, and feature set depend entirely on its firmware. The search query indicates a critical need: users are looking for the complete, unmodified, and most recent firmware package to restore, upgrade, or troubleshoot their unit. Do not reformat the HDD after a firmware update
Always download firmware from official or verified sources to avoid malware or corrupted files: Dahua Wiki: NVR4108-8P-4KS2 page provides links to stable firmware versions. Dahua Security Global: Download Center and search for your specific model. Dahua ToolBox: ConfigTool If still Chinese, reflash the same full firmware