This is Noble rom, an android 12 custom rom for the Galaxy Note 9 and S9 by AlexisXDA on XDA. It has some bugs but nothing that's deal breaker, some stuff have
Samsung updates the Galaxy Z Flip, S10 and A50 with May 2020 security patches - NotebookCheck.net News
ArrowOS 12.0 for Samsung Galaxy A50 Android 12 ROM Update: 220224 - YouTube
512GB Samsung galaxy note 20 ultra 5G full set 12GB 512GB full set without box kotak xda shja Malaysia set, Mobile Phones & Gadgets, Mobile Phones, Android Phones, Samsung on Carousell
ArrowOS 12.0 for Samsung Galaxy A50 Android 12 ROM Update: 220224 - YouTube
Here's why Samsung Galaxy M30s makes the Galaxy A50s redundant
XDA on X: "Review: The Samsung Galaxy A14 5G might only cost $200, but it punches well above its weight with some surprising features, writes @chris_wedel https://t.co/y5V6YcjyZy" / X
Snake OS v2 Custom ROM for Samsung Galaxy A50s Android 11 One UI 3.1 - YouTube
ArrowOS 12.0 for Samsung Galaxy A50 Android 12 ROM Update: 220224 - YouTube
Samsung Galaxy A50 gets Night mode, Super Slow Motion in latest update
Samsung | XDA Forums
Samsung Galaxy A50 U.S. launch hinted at in Samsung Pay app