I've been using iPhones on display at an Apple Store. While I love the large, clear, LCD screen and touch-screen feature, I found defects. The first phone, had no sound at all; not on videos or on music. The phone was not muted but was defective. The second phone worked fine. The third phone, when selecting from the iPod feature "School of Rock", got no picture or sound, the screen just turned black. The fourth phone showed the video but had no sound. There seems to be problems with the audio aspect of the iPhone. I was also disappointed that only pre-selected "YouTube" videos can be selected as there's no search feature. I am unsure of how many iPod selections can be held, especially as the models I used were all 4 GB.

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