I deleted all of my contacts on both iPhone & Google. What do I do? donald.lawton Updated October 12, 2016 19:44 Follow You can restore your contacts as described here:https://playaapps.zendesk.com/hc/en-us/articles/226642148. Related articles How do I restore my contacts? How do I perform a clean sync? Why don't I see all of my Gmail contacts in the iPhone Contacts app? I deleted all of my iPhone (or Google) contacts by mistake, but I still have them in Gmail (or iPhone). What do I do? Does the app backup my contacts? Comments 0 comments Please sign in to leave a comment.