ICX Smart Zone non-ufi Image firmware update possible ? sz firmware uploads use only ufi

Hi Everyone,i have a really bad problem right now. Over 200 switches are running 08080 as a firmware. I wanted to update them to the last firmware 08091 via smart zone as a schedule job. But when i try it it says :Connection no response, please try again later. (last command: show version | in labeled)I tried diffrent FW but same problem. I think it is a problem with the ufi versions. In SZ when i upload a firmware for example 08090 it takes only the ufi files from the zip and uploads them to the sz.Is there any chance to force sz to take the non ufi versions?So maybe then i can update from 08080 to 08090 and then to 08090ufi and after that to 08091ufi?I would appreciate any help.I dont want to update als switches manually with scp or tftp.