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Changes to Step #22

Edit by Geoff Wacker

Edit approved by Geoff Wacker

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-[* black] More ICs on the back of the logic board.
+[* black] More ICs on the back of the logic board:
[* red] Qualcomm WFR1620 receive-only companion chip. Qualcomm [https://www.qualcomm.com/media/documents/files/the-qualcomm-difference.pdf|states|new_window=true] that the WFR1620 is "required for implementation of carrier aggregation with WTR1625L."
- [* orange] Qualcomm PM8019 power management IC
- [* yellow] Texas Instruments 343S0694 touch transmitter
- [* green] AMS AS3923 boosted NFC tag front end
+ [* orange] Qualcomm PM8019 Power Management IC
+ [* yellow] Texas Instruments 343S0694 Touch Transmitter
+ [* green] AMS AS3923 Boosted NFC Tag Front End
[* icon_note] We believe that this is simply a small revision of the AMS [http://www.ams.com/eng/RF-products/RFID/AS3922|AS3922|new_window=true], which allows for "payment functionality in ultra-small form factors such as SIM and µSD".
- [* blue] Cirrus Logic [https://chipworks.secure.force.com/catalog/ProductDetails?sku=APP-338S1201&viewState=DetailView&cartID=&g=|338S1201|new_window=true] audio codec
-[* black] A big and hearty mega-thanks to our pals at [http://www.chipworks.com|Chipworks] for helping us ID all of this tech. We definitely couldn't have done it without them!
+ [* blue] Cirrus Logic [https://chipworks.secure.force.com/catalog/ProductDetails?sku=APP-338S1201&viewState=DetailView&cartID=&g=|338S1201|new_window=true] Audio Codec
+[* icon_reminder] A big and hearty mega-thanks to our pals at [http://www.chipworks.com|Chipworks|new_window=true] for helping us ID all of this tech. We definitely couldn't have done it without them!