How To Delete All Contents On iPhone 7/7 Plus [Before Selling it]

Wipe out all the data and contents from your iPhone 7/7plus without using a PC. Check out the video for a step-by-step process to completely factory reset iPhone7/7plus, so you can erase all the data and contents from it along with removing it from your Apple ID.

0:00 Opening.
0:11 Backup iPhone
0:57 Remove Apple ID from iPhone
1:39 Sign out from Apple ID
2:11 Erase All Data and contents from iPhone

[jessatonogan]

Is it necessary to back up all the contents before deleting all the applications and stuff or you can and delete them up straightly??

[ZNPA]

it doesnt workkk pls help it goes back to its original state and still have the apps but not the account