My jailbroken iPhone will not install, update or delete apps

My iPhone 5s is jailbroken iOS 8.4 by TaiG jailbreak 2.3.1.0 and will not install, delete or update apps. On top of that, when I go to install a new tweak, after the install is finished, the installer will stay stuck on loading… Please help me. I have benn stuck with this problem for like 2-3 weeks now and it is starting to make me really mad.

Most of the unlocking software is very crude and amateurish - phones don't always handle newer OS very well so I'd go back to factory settings rather than trying to install stuff it wasn't built to handle.

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