The first model of iPhone, Model A1203 with 4, 8, or 16 GB capacity and an aluminum back. Repair requires a significant amount of prying, and may require some soldering.

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communications board vs logic board

What is the difference between the communications board and the 4GB/8GB/16GB logic board on the ifixit store.

for example: the following two products

Product code: IF105-019-1

Product code: IF105-010-1


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Chosen Solution

The communications board controls the "phone" functionality (calls, text messages, etc). The logic board controls everything else.

In other words, if the 1st gen iPhone could function with the communications board removed, it would have all the functionality of an iPod Touch.

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