The Oppo A78 Dual-SIM smartphone offers 128GB of internal storage paired with 4GB of RAM, ensuring smooth multitasking and ample space for apps and media. Designed for GSM networks only, this factory-unlocked device supports 5G connectivity for faster data speeds and improved network reliability. Its dual-SIM capability allows seamless management of personal and work lines, making it a versatile choice for professionals seeking efficient communication and performance.