Europe Version 100% Original Unlocked Logic Board For Samsung Galaxy Tab A40 A405f / A405fn Motherboard Good Working Mainboard - Mobile Phone Antenna - AliExpress
This Samsung Galaxy A40. Yes, it works. : r/hardwaregore
Carte mere Samsung A40 | Carte-mere.com
64GB ROM/4GB RAM free motherboard for Samsung Galaxy A40, SM-A405FN/DS
Full Working For Samsung Galaxy A40 A405fn Motherboard 64gb Eu Version 100% Unlocked Original Logic Board Mainboard - Mobile Phone Antenna - AliExpress