Tag Archives: repair

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

By William Chinda | Published: January 23, 2011

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 [...]

Posted in News & Opinion, Tutorials | Also tagged apple, budget, diy, hardware, howto, iFixit, iphone, mobile, pentobular, screws, smart phones, smartphones, tips and tricks, tutorial | 1 Comment

How to replace ear cushions on the Koss UR-20 headphone

By William Chinda | Published: January 16, 2011

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 [...]