Installing an Image
Use the following links and follow the instructions to re-image your recorder and perform a system recovery.
Both of the following links will download a 
image. Reference How Do I Check My OS Version to identify which image your device needs.
- Use this link if your image version starts with OE: https://oe-prod-files.s3.us-west-2.amazonaws.com/update/nvrosimage/OE.325222.01XI.iso
- Use this link if your image version starts with OEU: https://oe-prod-files.s3.us-west-2.amazonaws.com/update/nvrosimage/OEU.325222.01XI.iso
Upgrading Your Device
Use the following guide to create an Openeye recovery USB:
Use the following link for step-by-step instructions on the upgrade process: