I factory reset my oppo find 7, and lost my backup that I had set up, is there anyway I can get my contacts back? I don't care about the photos and other stuff. Just need the contacts.

Usually when you open a contact and this contact has viber/whatsapp/fb or whatever, it showed it on the contact details.
Now somehow, they are not there anymore. Furthermore I've noticed that none of these apps have an account anymore in accounts in settings.

Can anyone check if this is just me or that in Sense 7/lollipop it's gone?

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