I need to change my phone number and/or email February 12, 2020 17:22 Updated Follow In the app, head to your Account screen and tap on My Profile. Then follow the instructions to change your details. Related articles Where can I see my account details? How do I get in touch? Can I transfer money from my HyperJar account back to my bank? Will the HyperJar team ever ask me for my app passcode or my card PIN? How is the money that I put in Jars protected? Comments 0 comments Please sign in to leave a comment.