If you are ever interested in taking your iPhone 4 apart, here are step by step instructions. I post this mostly for educational purposes but it is interesting that Apple made the newest iPhone much easier to take apart. That is good news if one wants to replace the battery.
http://content.techrepublic.com.com/2346-13625_11-439398-1.html?tag=content;leftCol
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Armand
http://content.techrepublic.com.com/2346-13625_11-439398-1.html?tag=content;leftCol
___________________
Armand