- WRT1900ACS Downloads
Select your hardware version:
Latest Date: 3/29/2018
Download 31.5 MB
IMPORTANT: The WRT1900ACS v2 firmware is not compatible with the WRT1900ACS v1 firmware.
NOTE: After downloading the firmware, you need to load the file to your router to improve its functionality. For instructions on how to update the firmware of your Linksys Smart Wi-Fi Router, click here.
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