How to Check for Dead Pixels on iPhone (Simple Test Guide)
Think your iPhone screen might have dead pixels? This quick tutorial shows you how to test your display using built-in tools and simple color screens.
You’ll learn how to:
✔ Spot dead or stuck pixels
✔ Use solid-color tests to confirm
✔ Tell the difference between dust, scratches, and pixel issues
✔ Know what to do if you find a damaged pixel
A fast and easy way to check your screen before repairs or returns.
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