https://community.squareup.com/t5/Hardware-Setup-Troubleshooting/Validating-new-fairphone/m-p/846529#M9652 <P>I have a new phone, a Fairphone 6 with Graphene OS. Square is in the app store and it downloads and opens fine, but comes up with an error message "Failed to validate device, contact Support". Bluetooth can see the card reader but won't pair with it. Any hints as to how I can solve this will be gratefully received.</P> Sun, 19 Jul 2026 11:54:24 GMT RobParsons 2026-07-19T11:54:24Z https://community.squareup.com/t5/Hardware-Setup-Troubleshooting/Validating-new-fairphone/m-p/846529#M9652 <P>I have a new phone, a Fairphone 6 with Graphene OS. Square is in the app store and it downloads and opens fine, but comes up with an error message "Failed to validate device, contact Support". Bluetooth can see the card reader but won't pair with it. Any hints as to how I can solve this will be gratefully received.</P> Sun, 19 Jul 2026 11:54:24 GMT https://community.squareup.com/t5/Hardware-Setup-Troubleshooting/Validating-new-fairphone/m-p/846529#M9652 RobParsons 2026-07-19T11:54:24Z