Apple Uses Tiny QR Codes to Track Display Manufacturing Failures and Cut Costs

MacRumors
By Juli CloverSep 29, 2023, 4:45 pm384 ptsTop
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…

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