Download and Install Android 12 OctaviOS 3.0 for Samsung Galaxy A40 (a40)
Samsung Android 12 update: These devices have One UI 4.0 - 9to5Google
Samsung launches the Galaxy A40 in Europe - Exynos 7885, 25 MP selfie camera, One UI - NotebookCheck.net News
YTECHB on Twitter: "Samsung rolls out Android 11 Update for Galaxy A40! More Info here - https://t.co/VX1ibrpvZp #Samsung #SamsungGalaxyA40 #GalaxyA40 #Android11 #OneUI https://t.co/o5qbpkIQYt" / Twitter
Samsung Galaxy A80, Galaxy A40 get the Android 11(One UI 3.1) update - Gizmochina
Download and Install AOSP Android 12 on Samsung Galaxy A40