Looking for an answer on how to keep the use of the arm rest USB port after installing the iDoing Head Unit on my 2017 WRX.

Below are two reddit posts where people claim it is possible:

  / idoing_unit_iphone_not_charging_in_center_...  

  / idoing_to_stock_dual_usb_housing  
*In this post, they mention that Smeedia says it is possible:    • iDoing Head Unit Is the go To for any...  

Any advice would be very appreciated! Thanks!

Cables:
https://www.amazon.com/dp/B09BCH4SRD?...
https://www.amazon.com/dp/B00JYTLW14/...
https://www.crutchfield.com/SgcXWWK5...