Free Mobile imager

Type of phone? Operating system?

There are MANY posts on here about specifics for different types of phones and how they can be acquried for free.

Forensics? Personal backup? Testing? Root? Jailbreak? Password by pass required?

I am afraid you are asking a question that is so broad reading the topics is your best choice without specifics

Belkasoft Acquisition Tool

http//www.weare4n6.com/imaging-drives-and-mobile-devices-with-belkaimager/

Thanks Igor, Belkasoft not bad.

And "mobileforensicswales"; if possible for win7 ultimate-64. phone type is android and IOS.
Forensic, not root and password pass required.

Thanks