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

 

Here iPhone Data Recovery is coming to save all your important data. Once you've found that your data is losing on iPhone, just try to find back them with this Data Recovery for iPhone iPad iPod (Windows and Mac version). If you've taken the recovery immediately, you have a great chance to find them back.
You can get the free trial version now and follow the instructions to start your own recovery journey.
- Recover up to 12 file formats, including photos, video clips, SMS messages, call history, calendars, notes, safari bookmarks, etc.
- Retrieve data after iPhone unlocking, iOS upgrade, factory settings restore.
- Support all models of iPhone, like iPhone 5, iPhone 4S, iPhone 4 and iPhone 3GS.
- Restore lost data from iPhone without zero quality loss.
You only do three step to finish the recover lost data from iPhone.
First of all, run this iPhone File Recovery on your computer, then you could see in the follow image: all your previews iDevices' backup file will be detected and displayed accordingly. Just choose your iPhone 5/4S/4/3GS device name and hit "Start Scan".
Wait for a little while, the scan will be finished. If the iTunes backup file is very large, then the scan may take more long time. After it, you can see all files on the iTunes have categorized into different folders and list in the left panel, such as call history, contacts, notes, messages, safari, calendar, etc. To recover a specific file, you need to find the folder which the file belong to, and find it in the specific folder as you like.
When all target files have selected, you can click "Recover" button to save them on your computer. To avoid losing again, you can backup these recovered files in any other places as you like.
More about this:
how to recover deleted photos from iPhone
how to retrieve deleted text messages on iPhone
how to restore contacts on iphone

 

You can try to use iPhone Data Eraser program to deleted the other files from your iPhone and make more space for your iPhone, iPad easily. Learn how to delete other files from iPhone here.