Post [Q] Phone problem.

Hello Everyone. I'm newbie for XDA forum I have a some question to ask for.

1.I have factory reset on my phone so Is there any way to restore my old file

without "Back up "?

2.Is Wondershare Dr.Fone app can recovery old file even factory reset?

3.My mainboard was broken so is "root" affect it? (I'm root my phone )

Thanks.