Samsung offers the Galaxy S9 with Hybrid Dual SIM in Germany - GSMArena.com news
Galaxy S9 Plus - Dual SIM & SD Card Work Simultaneously on Samsung Galaxy S9 Plus Duos - YouTube
Samsung Samsung Galaxy S9+ ( S9 Plus ) Duel Sim ( 2 Sim Card)6.2'' Inch QHD 6GB+64GB 12MP+8MP 4G Smartphone - Royal Blue price from jumia in Nigeria - Yaoota!
How to use two SIM cards on Galaxy S9, S10, and S20? - Galaxy S9 Guides