I want my previous version of ios that is 10.3.3 please send me that version to install on my iOS device
Please send me previous version of my iPhone 5s that is 10.3.3
iPhone 5s, iOS 11.2, No
Once you upgrade the iOS on your device you cannot downgrade. Apple does not support that. Just so you know, this is a user-to-user forum. You are not talking to Apple here.