https://community.squareup.com/t5/Payments-Troubleshooting/USB-not-compatible-to-Samsung-s21/m-p/650604#M9087 <P>Why isn't my new phone, Samsung s21 USB&nbsp; compatible for my square pos</P> Sat, 20 Sep 2025 09:45:11 GMT Moemoe17 2025-09-20T09:45:11Z https://community.squareup.com/t5/Payments-Troubleshooting/USB-not-compatible-to-Samsung-s21/m-p/650604#M9087 <P>Why isn't my new phone, Samsung s21 USB&nbsp; compatible for my square pos</P> Sat, 20 Sep 2025 09:45:11 GMT https://community.squareup.com/t5/Payments-Troubleshooting/USB-not-compatible-to-Samsung-s21/m-p/650604#M9087 Moemoe17 2025-09-20T09:45:11Z https://community.squareup.com/t5/Payments-Troubleshooting/USB-not-compatible-to-Samsung-s21/m-p/650617#M9088 <P>Hi&nbsp;<a href="https://community.squareup.com/t5/user/viewprofilepage/user-id/600760">@Moemoe17</a>. &nbsp;You didn’t say, but I’m guessing that your question is about using a Square card reader with your Samsung S21? &nbsp;If so, then according to this <A href="https://squareup.com/us/en/compatibility" target="_self">Square device compatibility page</A>, the only S21 compatible reader is the one shown in the photo below. &nbsp;Square does not have a USB card reader for any device.</P><P>&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="8E9A9FC3-4FF8-4FD2-8C67-CF6765E8EEDA.jpeg" style="width: 571px;"><img src="https://community.squareup.com/t5/image/serverpage/image-id/36761iD5052FFF1DC76E5B/image-size/large?v=v2&amp;px=999" role="button" title="8E9A9FC3-4FF8-4FD2-8C67-CF6765E8EEDA.jpeg" alt="8E9A9FC3-4FF8-4FD2-8C67-CF6765E8EEDA.jpeg" /></span></P> Sat, 08 Apr 2023 21:09:36 GMT https://community.squareup.com/t5/Payments-Troubleshooting/USB-not-compatible-to-Samsung-s21/m-p/650617#M9088 TheRealChipA 2023-04-08T21:09:36Z