I need to change my phone number and/or email November 02, 2019 13:58 Updated Follow In the app, head to your Profile screen and tap on My Profile. Then follow the instructions to change your details. Related articles Where can I see my account details? When can I Chat and email? 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? How will you protect my data? Comments 0 comments Please sign in to leave a comment.