Invalid camera format

For Dahua DH-XVR4B16H(Build Date-30.05.2019) Firmware Download Link
drive.google.com/file/d/1qaMx...
1. Download the Update Firmware file Through the Link.
2. Format your Pen Drive with FAT 32.
3. Copy Update file in your Pen Drive and connect with your DVR and go for
4. Main Menu à
5. system
6. Upgrade option and Start Update
Dahua/Cp Plus Toll free Number [phone]

[@raisbeg7859]

thanks

[@jasonpacheco6382]

I cant find firmware to this model DH-XVR4116HS-I