How do I delete contacts from an iPhone 6-it is a used iPhone?

[iMore Question]

how do i delete contacts from iphone6-it is a used iphone

daughter gave me her iphone 6-she got a 6+. need to delete her contacts

 

[Smply_Rckless]

Re: how do i delete contacts from iphone6-it is a used iphone

Restore the device. Settings > General > Reset.