Samsung Galaxy S25 Ultra. Internal 256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM, 1TB 16GB RAM. NetworkTechnology GSM / CDMA / HSPA / EVDO / LTE / 5G. Android 15, up to 7 major upgrades, One UI 7. PlatformOS Android 15, up to 7 major Android upgrades, One UI 7.
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