Samsung SM-G998U Galaxy S21 Ultra 5G UW Dual SIM TD-LTE US 128GB / SM-G998P (Samsung Unbound O3) vs. BBK vivo Y21T 2021 4G Standard Edition Global Dual SIM TD-LTE V5 128GB V2135 (BBK V2135) Frequency Band Comparison
Comparison Criteria
Frequency Band Comparison
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