Amazon.com: LUOKANGFAN LLKKFF Spare Parts Smartphone 10 PCS Motherboard LCD Display FPC Connector for Samsung Galaxy A40 Replacement Parts : Cell Phones & Accessories
100% Original Unlocked Motherboard Mainboard Logicboard 64g For Samsung Galaxy A40 A405f/fn/fd/g Motherboard With Android System - Mobile Phone Antenna - AliExpress
This Samsung Galaxy A40. Yes, it works. : r/hardwaregore