iMyFone Umate Pro is a cross-platform tool for securely wiping confidential details from your iPhone, iPad or iPod Touch, ensuring no-one will be able to recover them later.
While this can be a very technical topic, iMyFone Umate Pro is extremely easy to use. At a minimum, you can connect your phone, tap an "Erase all" button and leave the program to clean the device.
You probably won't want to wipe everything on your phone, of course, but fortunately iMyFone Umate Pro offers plenty of options and control. You can choose to wipe only deleted files, to remove private data, clean up temporary and junk files, maybe free up hard drive space by compressing photos, removing large files, uninstalling unused apps, and more.
The engine behind all of this is smarter than you'd expect. The default operation doesn't just delete and overwrite your data, for instance-- it replaces it with junk files, ensuring snoopers won't even realise the device has been wiped.
If you're still in any doubt, the online Data Eraser Guide shows just how straightforward these operations can be.
Please note, the trial version of the programs has many restrictions. It cleans junk files only once, compresses the last five photos only, removes only one app, previews the results of "Erase Deleted Files" and "Erase Private Data", and doesn't support the following functions: Clear Temporary Files, Back up and Delete Phones, Back up and Delete Large Files, Erase All Data.