Mobile Articles
How-to articles and troubleshooting for your mobile gear. Each one pairs with a free tool you can run in the browser.
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How to Test Your Phone Camera
Test your phone camera in the browser: live preview, real resolution and FPS, front and rear switch. No app needed. Fix a blank screen or blocked permission.
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How to Test Your Phone Audio
Test your phone microphone, speakers, and headphones right in the browser. Four free tools, no app to install, and what to do when something sounds off.
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How to Test Your Phone Screen for Backlight Bleed
Run a backlight bleed and color test on your phone in the browser. What each pattern reveals, LCD vs OLED differences, and when to push for a replacement.
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How to Test Your Phone for Dead Pixels
Run a dead and stuck pixel test in your phone browser in minutes. What each color reveals, how OLED and LCD differ, and what to do if you find one.
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How to Test Your Phone Refresh Rate
Check what Hz your phone display is actually running. Browser test, Android Developer overlay, and why adaptive refresh drops the rate when it matters most.