My iPhone is stuck on the white apple logo/downloading screen what can i do?

So i was going to rest all content and settings on my iPhone because i mest up all the files on ifile so i had to do a rest.first i rest all settings that worked fine then i decide to rest all content and setting and i started to work but now its stuck on the white apple logo/downloading bar it was a iPhone 6 and it was jailbroken what do i do. Should i just wait hours to see if it loads? Its on update 8.1.1

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