Let me run through the normal list:
- Did you happen to try to scan/use the implant while it was still in its sterile pouch (before install)? And did it work then?
- Do you have any RSP stickers you could try in conjunction with your phone? They really do work wonders.
- Have you tried something other than your iPhone? Do you have access to a Pm3 or maybe an ACR122u? Anyone you know have an Android you could test with the TagInfo app? (You may consider trying TagInfo yourself.)