https://community.squareup.com/t5/Hardware-Setup-Troubleshooting/New-Old-Register-needs-upgrade-before-starting/m-p/845308#M9603 <P>I am connecting a register that I bought in spring 2025 but never used.</P><P>I am trying to start it up but whether I try to login with username &amp; password or with a device code I get a popup that says "To access your account, please upgrade your device. You can do this via your settings."</P><P>&nbsp;</P><P>But when I go to settings (on my computer) it won't let me add that register.</P><P>&nbsp;</P><P>Help! Thank you!</P> Thu, 25 Jun 2026 17:28:29 GMT millstreamspeed 2026-06-25T17:28:29Z https://community.squareup.com/t5/Hardware-Setup-Troubleshooting/New-Old-Register-needs-upgrade-before-starting/m-p/845308#M9603 <P>I am connecting a register that I bought in spring 2025 but never used.</P><P>I am trying to start it up but whether I try to login with username &amp; password or with a device code I get a popup that says "To access your account, please upgrade your device. You can do this via your settings."</P><P>&nbsp;</P><P>But when I go to settings (on my computer) it won't let me add that register.</P><P>&nbsp;</P><P>Help! Thank you!</P> Thu, 25 Jun 2026 17:28:29 GMT https://community.squareup.com/t5/Hardware-Setup-Troubleshooting/New-Old-Register-needs-upgrade-before-starting/m-p/845308#M9603 millstreamspeed 2026-06-25T17:28:29Z