How does Dual-Wi-Fi Speed-Up work, and how do I activate it?
Dual-Wi-Fi mode allows two Wi-Fi networks of different frequencies to connect simultaneously for improved network speed. After ensuring compliance with router setup requirements, go to Settings > 'Wi-Fi' > 'Smart Speed-up' and enable the feature (Page 31).
From the official Realme Rmx3997 C65 5G 128gb Smartphone manual, page 31
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