Samsung Galaxy A17 5G 256GB Unlocked Smartphone New. Internal 256GB 8GB RAM. GSM / HSPA / LTE / 5G. This item works on all GSM Networks worldwide. 2G bands GSM 850 / 900 / 1800 / 1900. 5G bands 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6 – International.