How to scan a code with an iPhone?
You know those black and white squares, kinda looks like a puzzle or something, and it says scan for more information, how do I do that?
Added (1). A code like this - 
Go to the app store and download an app called qr reader use that to read the (qr)codes.
There's a app barcode reader it's free and just use that
Just search for "QR code" in the app store and it'll give you a bunch of those apps to pick from.
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