Never attempt to flash firmware for a different model number. The "F1" suffix indicates a specific mainboard chipset (often Hi3536 or GK7205). Using mismatched firmware will result in a permanent "blue screen" or continuous beeping.
If it’s connected to the internet, yes —especially for IoT security. But if it’s an isolated closed-circuit system with no network access, there is no benefit to updating. dvr-116g-f1 firmware
⚓ : Always perform a system backup before upgrading to avoid losing custom settings. If you'd like, I can help you: Find the exact download link for your specific region. Troubleshoot an update that failed or "stuck." Explain new features found in the latest build. Never attempt to flash firmware for a different model number