So basically, find a vcf backup app to transfer or save the google synced contacts on the new phones to the phone's internal storage. Am I on the right track?
Yes. Did you try the best buy ebay store?
Looks like the 635 is boost, nevermind
Looks like it's sold out online. Would the 635 work?
Is that one missing a band? If so, at&t band or tmobile band?