iPhone 4 Teardown

Before the official launch date, iFixit managed to legally get hold of an iPhone 4 to teardown so they could reveal what’s inside the production model.

The iFixit team had someone fly out to Japan to pick up an iPhone 4 first, but as UPS has been delivering iPhone 4’s early to some customers, they managed to borrow one from someone in Silicon Valley.

The teardown reveals that there is 512MB of RAM in this iPhone 4. Previous leaked models were believed to have 256MB, so the double amount seems to be a last minute decision.

iFixit will be doing a more indepth look at the processor to see what’s inside and how it compares to the likes of the iPad. Also the gyroscope, which is new in the iPhone 4, will also be looked at in more details.

To get in to the iPhone 4 you need to unfasten the two screws either side of the dock connector. This releases the back of the phone allowing you to get to the battery. The LCD panel is glued to the glass and digitiser which means if you break it, you need to replace the whole glass, digitizer and LCD as a single assembly.

The iPhone 4 has a 3.7V 1420mAH Li-Polymer battery that is not soldered in, making it easy to remove/replace.

In what can only be described as a work of genius, Apple has integrated the UMTS, GSM, GPS, Wi-Fi, and Bluetooth antennas into the stainless steel inner frame.ยจ

Wireless 802.11n is in there along with Bluetooth 2.1 + EDR. An FM receiver is also in there as well as a GPS receiver.

Check out the full teardown over on iFixit.

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