Tag Archives: diy

How to remove the iPhone’s new “tamper-resistant” screw

If you’ve taken your iPhone 4 in for service at the Apple store, you may have gotten it back with 2 new pieces of hardware that were changed unbeknownst to you. Though the iPhone 4 originally shipped with standard Phillips #00 screws, they’ll replace them with an obscure type called a pentolobular screw if you [...]
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How to replace ear cushions on the Koss UR-20 headphone

In this tutorial I’ll be demonstrating how to replace the ear cushions on a pair of Koss headphones, specifically the Koss UR-20. For full size headphones, they’re pretty cheap, but for me they’ve been extremely reliable over the past 8 years or so that I’ve owned them. Their first point of failure, however, was the [...]
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