This article discusses software internally used by Apple.
Acquiring a copy without Apple's consent is illegal and may result in being scammed.
QRCode (also known as SkankBarcodeDisplay) is an internal app included in many internal firmwares of iOS.
It was first found on NonUI firmwares based on 6.x, such as Sundance 10A316.
It can be found in
/Applications or in
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