Samsung SM-G991U Galaxy S21 5G UW Dual SIM TD-LTE US 256GB / SM-G991A (Samsung Unbound M1) vs. BBK Vivo Y78 5G 2023 Standard Edition Dual SIM TD-LTE CN 128GB V2278A (BBK V2278A) Frequency Band Comparison
Comparison Criteria
Frequency Band Comparison
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