I need the link to download the Tapingo RX app again. Where can I find it? Gerardo January 13, 2018 21:47 Updated Follow Please e-mail us at firstname.lastname@example.org with your full name and location. We will send it to you as long as your background check has cleared. Related articles It says “Untrusted Developer” when I try to open the Tapingo RX app on my iPhone. How do I begin delivering? Who is my campus manager? How does the schedule work? How do I activate my PEX card? Comments 0 comments Please sign in to leave a comment.