Replace a bare logic board (with no components) compatible with iPhone 7. This is only the board to which all the surface soldered components would be mounted.
Replace an SN2400B0 charging IC on the logic board of an iPhone 6, iPhone 6 Plus, iPhone 6s, iPhone 6s Plus, iPhone 7, or iPhone 7 Plus. This part requires micro soldering.
Replace a 65730A0P display PMU on the logic board of an iPhone 5c, iPhone 5s, iPhone 6, iPhone 6 Plus, iPhone 6s, iPhone 6s Plus, iPhone 7, or iPhone 7 Plus. This part requires micro soldering.