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Apple Uses Tiny QR Codes to Track Display Manufacturing Failures and Cut Costs
Apple Uses Tiny QR Codes to Track Display Manufacturing Failures and Cut Costs Apple etches iPhone displays with small QR codes that let it precisely track the number of defective screens that are thrown out by suppliers, according to a new report from The Information.
One barcode is the size of a grain of sand and can be viewed only with special equipment, while the other is on the inside of the display along the bezel. ...
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