If you like to see the innards of your handset, then you have to check out this latest offering from iFixit. The repair company known for its detailed teardown analyses has released a transparent rear panel for the GSM/AT&T iPhone 4. Unfortunately, the Verizon iPhone 4 has a slightly different shape and these panels will not fit the Verizon model.
The clear panel lets you peer into the logic board and gawk at the large battery that dominates the back of the handset. Functional as well as eye-catching, the see-through backing adds some durability to your handset. It is made of plastic and is less prone to breaking than the original glass panel