Hi,  I have got this as my main switch however I want to upgrade the firmware as its never been updated. I am unable to see above model to download firmware on cisco's website? thank you

Hi,  I have above switch which I have tried to update from 16.3.1 and I have took it to 16.3.6 but not without a struggle. At first, it completely failed to boot even after telling me that firmware upgrade was successful. I have managed to use usb wi...