Chris Thomas was a reporter at Android Police from 2022 until 2025. The overwhelming majority of glass screen protectors proudly boast of their 9H hardness rating, but that means almost nothing.

2D vs 3D vs 11D Tempered Glass: Tempered glass is essential for smartphone protection these days. However, there are many different types of tempered glass available on the market, such as 2D, 3D, 9H, ...

The Google Pixel 8a is one of the year's best budget phones. That's partly thanks to its large and colorful display, which, like most devices, is unfortunately fragile too. To protect it from everyday ...

Don't pay too much attention to the hardness rating that brands advertise—most use the ASTM hardness scale, in which the hardest pencil (9H) is softer than tempered glass, making it a useless ...

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When you buy through our links, Business Insider may earn an affiliate commission. Learn more The iPhone 17 Pro is a truly impressive phone and by far one of the best iPhones released to date. It ...