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ULTRA DVR Firmware
➡️ Download Network Setup Instructions for ALL below DVRs Here



UD5A-4 Series 

Firmware Update: Version 3.5.37 (Build 190313)
Download Firmware Here

Firmware Update: Version 3.5.31 (Build 180131)
Download Firmware Here



UD5A-8 Series 
UD5A-16 Series 

Firmware Update: Version 3.5.37 (Build 190313)
Download Firmware Here

Firmware Update: Version 3.5.31 (Build 180131)
Download Firmware Here