[2017] Fixing Cydia Impactor "Preflighting Application" Stuck issue

I am new on iOS but finally found a way to fix stuck Preflighting Application issue on Cydia Impactor.
Need basic hacking skills ;)

You should modify target ipa's "Info.plist" file and change needed minimum iOS version 1.0 (from 8.4.1) for example. For this;