Connected my 4TB MyPassport to my android phone and now its 1 TB and everything was deleted

I tried to Connect my 4TB MyPassport to my android phone and now its 1 TB and everything on it was deleted.

I connected it to my PC and restored deafult settings but it remains at 1 TB instead of 4TB what can i do?

Hello niv336,

I would suggest you to contact WD support to get the resolution of this concern.

Refer the link provided below for contact details.