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Changes to Step #13

Edit by Andre Pang

Edit approved by Geoff Wacker

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[* black] On the backside we find a lot more:
- [* red] Samsung [http://www.samsung.com/semiconductor/products/dram/mobile-dram/K3QF2F20EM-AGCF?ia=2394|K3QF2F20EM|new_window=true] 2 GB LPDDR4 RAM, layered on top of the Qualcomm [https://www.qualcomm.com/products/snapdragon/processors/801|Snapdragon 801|new_window=true] MSM8974AB
+ [* red] Samsung [http://www.samsung.com/semiconductor/products/dram/mobile-dram/K3QF2F20EM-AGCF?ia=2394|K3QF2F20EM|new_window=true] 2 GB LPDDR3 RAM, layered on top of the Qualcomm [https://www.qualcomm.com/products/snapdragon/processors/801|Snapdragon 801|new_window=true] MSM8974AB
[* orange] Qualcomm WTR1625L RF Receiver ([guide|29213|similar to iPhone 6|stepid=69255])
[* yellow] RF Micro Device [http://www.rfmd.com/store/rf7389eu.html|RF7389EU|new_window=true] Multimode Multiband Power Amplifier Module
[* green] Qualcomm [https://www.qualcomm.com/documents/qfe1100-worlds-first-envelope-tracking-technology-3g4g-lte-devices|QFE1100|new_window=true] Envelope Tracking Power Management
[* light_blue] Qualcomm [https://chipworks.secure.force.com/catalog/ProductDetails?sku=QUA-PM8841&viewState=DetailView&cartID=&g=|PM8841|new_window=true] PMIC
[* blue] Qualcomm [https://chipworks.secure.force.com/catalog/ProductDetails?sku=QUA-WCD9320&viewState=DetailView&cartID=&g=|WCD9320|new_window=true] Audio Codec