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There's tons of chips on the front of the board. Other chips of interest include:

Texas Instruments WL1271 chip that supports WiFi (802.11 b/g/n), Bluetooth 2.1, FM and GPS technologies (thanks Chipworks!)

Kionix KXTF9 accelerometer

ST Micro AGD8 2040 S6NBF gyroscope

Avago ACPM-7868 quad-band power amplifier

What's this? Did we use Content Aware to remove all of the chips from the back of the motherboard? The answer is no; there just isn't much going on with the backside of the board.

We find a microphone (red), proximity sensor (orange), ambient light sensor (yellow) on the back.

It is possible that Motorola placed all of the chips on one side of the board to keep the thickness of the device to a minimum.

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