Huawei WS7206 Guide De Démarrage Rapide page 7

Set a new Wi-Fi name, Wi-Fi password, and admin password for the new router.
4
Internet access wizard
Prioritize 5 GHz
Wi-Fi network name
Wi-Fi network password
Login password
Confirm password
Next
Enable Prioritize 5 GHz: Priority usage of 5 GHz Wi-Fi band over 2.4 GHz band when signal
strength is equal to increase connection speeds.
5
Internet access wizard
Configuration complete.