Help Best way to securely wipe?

[stanw]

im going to sell my Note4. I've read conflicting info regarding how secure the built in way to wipe data off the Note4 is. Can data still be recovered? Is there a better way?

Thanks.

 

[KOLIO]

Here's an article from C-NET on the subject:
http://www.cnet.com/how-to/how-to-wipe-your-phone-or-tablet-before-selling/