Order these new BOM parts from Mouser:
SRN6028C-4R7M0402HP-20NXGRW520-2520MV-120-BN-T571-1909763-1
IPEX cable: https://www.aliexpress.com/item/1005012352855310.html Button dome: https://www.aliexpress.com/item/33001419494.html Jack 2.5 mm: https://www.aliexpress.com/item/32819180069.html Jack 3.5 mm: https://www.aliexpress.com/item/33021730474.html Switch/volume: https://www.aliexpress.com/item/1005005183231967.html Battery connector: https://www.jbl-ec.com/bt-003be-3-way-spring-battery-connector-4-1mm-pitch-smt-product/ SMA connector: 650185 @ https://detail.1688.com/offer/990734696443.html Display: ???