Eu Version logic board for Samsung Galaxy A31 A315F A315G A315N Original Unlocked Motherboard EU Version 4GB Ram 64/128gb ROM|Mobile Phone Antenna| - AliExpress
Original Unlocked for Samsung A31 motherboard A315F A315G FN Motherboard Europe Version for SM A315F Mainboard with Full Chips|Mobile Phone Antenna| - AliExpress
Samsung Galaxy A31 - Specifications
Chip & and DALE 1 SAMSUNG A12 A32 A52 A72 A30 A50 A70 A31 A51 - Etsy Hong Kong