Since you already paid for Ethos why not keep that buck....your cards are not new enough to be a problem.
I already got updated with latest version and that was the first step I followed. However, I havent loaded the newer script and that could be the problem. Since for the mining is not routine I am learning different stuff everyday by watching videos and bitcointalk forum topics.
I have one rig up and running with ethOS. Unfortunately another one got corrupted and that's why searching for alternative.
SMOS looks amazing and I was able to set it up within an hour! ethOS is way more difficult for me. I was surprised to see the SMOS support over discord. My querries were solved within few minutes after posting my problems.
For one thing, the latest ethOS build is based on Ubuntu 14 which has reached End of Life and hasn't received any security or maintenance updates since 2019. You would be better off setting up your own Linux distro from scratch. For the small price you pay, SMOS and other current mining distro options make it easy to securely manage your rigs remotely which saves time and increases productivity.
Recommended for anyone who is new in the world of mining.