How to Install SyneXOS v2.0 on Samsung Galaxy A50. Built in Based on A51 stock ROM with OneUI 2.1 / Security Patch 2020-04-01 and S20 app. SyneXOS v2.0 does not support ROM control like previous version SyneXOS v1.0 . This rom is developed By By Zonik, XDA – Senior Member. To install this Custom ROM, • Read More »