Jag har sett flera kommentarer från personer som fått sin iPhone 4 där det varit fel på det direkt vid leveransen. The Unofficial Apple Weblog har en bra lista på 25 saker man kan kontrollera för att försäkra sig om att ens iPhone 4 fungerar som den ska.

I received my second replacement iPhone 4 yesterday. Considering the issues my first two iPhone 4 units had, I wanted to make absolutely certain, in as little time as possible, that this replacement unit didn’t have anything wrong with it. Before I even picked it up from the store, I started putting together a list of items I needed to test as well as how I would go about doing it.

What I came up with is a series of hardware checks that anyone can perform right after taking an iPhone 4 out of the box and syncing it for the first time. This is by no means the only way to test an iPhone 4′s hardware for defects, and there are probably more comprehensive methods out there, but the following procedure is basic enough for almost any user to follow. Plus, it should catch any glaring hardware defects in an iPhone 4 right away. Click ”Read More” for the checklist.

Listan innehåller allt från att se att det inte finns några skarvar mellan glas och ram till att testa så bluetooth och gyroskop. Hela listan med ingående beskrivning läser du här: 25 ways to check the hardware on your iPhone 4