![I did a gray uniformity test on my iPhone 12 pro max out of curiosity and I spotted unusual vertical line on my screen. Is this normal or is it me? : I did a gray uniformity test on my iPhone 12 pro max out of curiosity and I spotted unusual vertical line on my screen. Is this normal or is it me? :](https://preview.redd.it/mqr1iuleyoz51.jpg?width=640&crop=smart&auto=webp&s=3df35c951a4a87149f2efe4c2c443ebccac81287)
I did a gray uniformity test on my iPhone 12 pro max out of curiosity and I spotted unusual vertical line on my screen. Is this normal or is it me? :
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WHITE PAPER - Measuring Color Uniformity — LED professional - LED Lighting Technology, Application Magazine
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