Open the Square app and navigate to Settings>Hardware>Square Card Readers. Once you’ve reached this point, click the power button on the card reader, triggering it to enter pairing mode.

Square is a long way from just offering a plug-in card reader dongle and there may be no better evidence of that with its fully revised Square Point of Sale app. This iOS and Android app enables ...

The magstripe reader works for credit card swipes, and the first one is free with sign-up. There’s also a Square reader designed for contactless and chip payments, starting at $49 per device.

Square was founded by former Twitter CEO Jack Dorsey in 2009 and launched its first platform in 2010. The company first focused on creating a portable credit card reader that allowed retailers to ...

Instead of having to attach an external card reader, vendors will have everything they need to sell their products on the new stand. Of course, everything should work seamlessly with Square’s app.

Q: I’m using a Square credit card reader that attaches to my smartphone, but I’m finding that the transactions don’t always go through properly. Is there a certain smartphone or cellular service ...

Square’s newest version of its Square Stand payment terminal has a payments reader built right in. The stand lets businesses slot in an iPad so it can be used as a point-of-sale device, but the ...