iPhone 5S Teardown by X-ray

Step 1 iPhone 5S Teardown by X-ray

• We are going to take a look inside an iPhone 5s using a high resolution x-ray inspection system - the TruView 200. This system packs an impressive 130kV microfocus source and a large 3"x4" x-ray sensor capable of delivering 1um resolution.

• For more information about the system we used please visit TruView Number Series.

Step 2

• Now it's time to start the x-ray inspection!

• 1.2MP FaceTime camera.

• 8 MP iSight camera (with larger 1.5µ pixels).

• Yellow: Apple A7 processor with 64-bit architecture

• This iPhone 5S has a 3.8V - 5.92Wh - 1560 mAh battery. Not much improvement from the iPhone 5 3.8 V - 1440 mAh - 5.45 Wh. Talk time: Up to 8 hours on 3G. Standby time: Up to 225 hours.

• Speaker

• Lightning connector and Touch ID interface

• 3.5mm audio jack

Step 3

• Here's some of the powertrain in the iPhone 5S:

• Apple 338S120L.

• Qualcomm PM8018 RF power management IC and Qualcomm MDM9615M LTE Modem

• Qualcomm WTR1605L LTE/HSPA+/CDMA2K/TDSCDMA/EDGE/GPS transceiver.

• Avago A790720

Step 4

• We know voids in ball grid arrays (BGA) can be problematic to the reliability of any electronic product. In our x-ray inspection of the iPhone 5S, we noticed that the Apple 338S120L chipset had a large number of voids. So the natural next step was to use the BGA inspector included in the TruView 200 to measure the voids.

Step 5

• A quick analysis of the BGA voiding in the Apple 338S120L shows voids as large as 35%. That does not mean this is a problem, but certainly something a quality manager would need to check and validate. Besides, none of the other surface mount components in the iPhone 5S have this level of voiding.

• The BGA inspector allows us to visualize the void in a 3D representation of x-y and density as the height of the volume.

Step 6

• Closer look… the iPhone 5s iSight Camera has 8 megapixels of fun, autofocus and auto HDR for photos, among other features.

• Size wise its not much different than the Camera on the iPhone 5.

Step 7

• This corner shot of the iPhone 5S shows the standard 3.5mm audio jack. You can also see the corner of the Touch ID interface and supporting mechanics.

Step 8

• Here's a detail image of the Touch ID sensor. Note that it sits on top of the Lightning connector, that's why you see them overlaid in this x-ray image.

Step 9

• This corner of the iPhone 5S has not changed since the iPhone 5/4S. The large high performance speaker is located in the same place, and the antennae connections are very similar to previous models.

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