Hi [NAME],   If you do not have any mixed model stack groups, you can download the latest version, which is 6.8. Also, I've removed your link due to as it is directing the page to your service tag details.    [URL]  
Hi, i want to update the switch i found two firmware options. Which should I use? (1) Dell EMC Networking N1100-ON Series Firmware version 6.7.1.17 (2) Dell Networking N1100-ON Series, Firmware Version 6.8.0.1 Support for PowerSwitch N1100-ON Series | Drivers & Downloads | Dell Anguilla     Thanks.
Which firmware version should I use (N1148T-ON)?