Dual SIM is one of the most advanced technologies in the age of technology development. It doesn’t take two phones to use two SIM cards. Two SIM cards can be used in one phone with a dual SIM system. Oppo F21 Pro 5G is one of those phones that supports dual SIM functionality.
Yes, your Oppo F21 Pro 5G supports dual SIM functionality. You can use two SIMs simultaneously on your phone. However, it would help if you used nano-sized SIM on this phone.
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