Wasana Mobile - Specification overview Samsung Galaxy A21s is a Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by) Phone from Samsung. Device runs on Android 10, One UI 2.0 powered by
Amazon.com: Samsung Galaxy A21S (64GB, 4GB) 6.5", Quad Camera, All Day Battery Dual SIM GSM Unlocked Global 4G LTE Volte (T-Mobile, AT&T, Metro, Straight Talk) International Model A217M/DS (64GB SD Bundle, Blue) :