For iPhone 5S/5C/5/4S users, files you thought were deleted, caches, offline files, cookies and temporary files could be clogging up your system. These files are eating the space of your iPhone and making it work slower. But don't worry, here is a video for that.
Remove Junk Files & Private Data on iPhone, iPad & iPod
> Quickly Clean - App Caches/Cookies, User Storage Files, Temp Files
> Deeply Clean - Call History, Safari Browsing History, iMessages, Active Apps
> Advanced - Photo Clean, Contact Clean, Media Clean & Repair, App Clean