60Hz vs 120Hz Phone Displays: Why 120Hz Doesn’t Guarantee Smoothness
Compare 60Hz and 120Hz phone displays, and learn why FPS, frame pacing and power settings determine how smooth a phone feels.
The FlawCheck library / Displays & screens
Displays & screens
OLED, brightness, refresh rate, PWM and screen durability.
Displays & screens articles
9 articles
Phone Screen Glass Explained: Why Tougher Glass Still Scratches or Breaks
Why does tougher phone glass still scratch or break? Understand scratch resistance, drop tests, and what glass claims mean before buying a phone.
PWM Dimming Explained: What Phone Flicker Specs Don’t Tell You
A high PWM number does not tell the whole story. Learn how OLED dimming works, how it differs from refresh rate, and what to check in a phone flicker test.
OLED Burn-In on Phones: Can You Fix It?
Ghost icons on your phone screen? Learn how OLED burn-in differs from temporary image retention, what software can and cannot fix, and when to consider a screen repair.
Phone Screen Dims Outdoors? Why Peak Brightness Isn’t the Whole Story
Phone screen dims in sunlight? Separate thermal dimming from glare and settings, then learn what peak brightness specs leave out.
Phone Display Technologies Explained: LCD, OLED, AMOLED, LTPO, pOLED and More
LCD, OLED, AMOLED, pOLED and LTPO do not describe the same thing. Learn what each phone display term means—and the trade-offs brands rarely explain.
Foldable Screen Protector Peeling: Replace It or Remove It?
A peeling foldable screen protector needs more care than ordinary phone film. Learn when to stop folding, seek replacement, or avoid removing it yourself.
iPhone Duo Foldable Display: 6 Risks Specs Cannot Answer
A focused audit of the iPhone Duo 7.6-inch foldable display: confirmed geometry, Pencil support and display specs, plus the crease, wear, app and repair evidence still missing.
Yxk 15.6-Inch Portable Monitor Review: The Hidden Downside
Ultra-budget travel monitor hindered by washed-out 65% sRGB color gamut, dim 220-nit brightness, tinny speakers, and fragile Mini-HDMI ports.
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