Микросхема промежуточной частоты WTR5975 0VV
Контроллер питания.
Apple iPhone 8 : A1863 (USA, Hong Kong, Australia, New Zealand, China), A1905 (EMEA, UAE, LATAM, Canada, USA - AT&T/T-Mobile, Singapore); A1906 (Japan) ;
Apple iPhone 8 Plus : A1864 (USA, Hong Kong, Australia, New Zealand, China), A1897 (EMEA, UAE, LATAM, Canada, USA - AT&T/T-Mobile, Singapore); A1898 (Japan) ;
Apple iPhone X / Apple iPhone 10 : A1865 (USA, Hong Kong, Australia, New Zealand, China), A1901 (EMEA, UAE, LATAM, Canada, USA - AT&T/T-Mobile, Singapore), A1902 (Japan), A1903 (Unknown market).