Traduciendo paso 21
Prying up the coils reveals the circuit board—alas, It's covered by a metal shield.
With new iPhones on the horizon, there's no time for microsoldering today. We skip straight to the flush cutters to get through. The result isn't beautiful, but it's what we came for.
The little circuit board houses a chip labeled STWPSPA1. This is likely a close cousin to STMicroelectronics' STWBC-EP, their 15 W wireless charger IC.