Is it possible to go back previous version?

No, because Apple does not support downgrading an iOS version. Do you have any specific issues that you are having with your apps? Which iPhone do you have? Which iOS version is installed on it?

Axel F.

"Is it possible to go back previous version? : Is it possible to go back previous version where I can use apps in an easy way, not complicated, not pretending to be hi-tech outfitted?"

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Going Back to a Previous Version:

Previous version of what? Downgrading the iOS is not an option.

What are the apps you are trying to use? What is so troubling about them?