EPILEPTIC WARNING - Intense pulsing colors. Put video to full screen and let it run its course. Multiple playbacks may be needed depending on the level of your screen's problem.
Screen Repair - Screen Burn & Dead Pixel Fix (16:9)
How to make a phone case - DIY Phone Case
Stuck, Frozen, Dead Pixel Test 4K / UHD / 3840 × 2160 pixels
Why I Don't Use the Pixel!
ULTIMATE 4K HD - FIX Stuck Pixel Dead Pixel 4096p 60FPS Pixel REPAIR - 1 HOUR FULL 4K HD
RGB Test Sequence
How to Fix a Cracked or Broken Android Tablet Touch Screen - Youtube
DON'T Buy a Screen Protector until you see this!