How to Recover Deleted Data From Nexus 6P

Question

I performed factory reset on my Nexus 6 to improve its speed. Then as you can imagine all my contacts, photos, videos, messages are gone. I Google how to recover them, there are many data recovery tool recommended, wondershare, Nexus Recovery Mac.I am really confused, who can do me a favour.
http://www.androidrecoveryformac.com/recover-lost-files-from-nexus.html

Answer 1

Accidentally or mistakenly deleted data from your android phone. Coolmuster Samsung Data Recovery enable you recover lost or deleted data/files from android phone .
http://www.samsung-messages-backup.com/samsung-recovery.html

Answer 2

Android Recovery has special advanced functionality to detect and recover your Android phone. With the help of this program, you can effortlessly retrieve files from from Nexus 6P.
http://www.android-transfer.net/android-recovery.html

Answer 3

Generally speaking, the deleted data were still saved on your phone, you can use an app to detect them on computer, try Coolmuster Android Data Recovery, it could detect your lost contacts and get them back.
https://www.coolmuster.com/lab-fone-for-android.html

Answer 4

I think we can use Android data recovery software to help us recover deleted data from nexus 6p, cause it's running on Android OS. Of course, if the deleted data is overwritten, there is no way to get the deleted data back.