Does the Galaxy S21/S21+/Ultra Supports Dual SIM Card On a Single SIM Tray? Top & Underneath SIM? - YouTube
Bandeja de tarjeta Micro Sim para Samsung S21, S21 Plus, S21 Ultra, S21FE, G990, G990B/N, soporte de ranura para tarjeta Sim Dual, piezas de lector de tarjetas Sim - AliExpress