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Sorry,OPPO A11 phones do not support Wi-Fi 6. OPPO A11 is a low-priced smartphone, although the phone has some good configurations, such as Qualcomm's Snapdragon 665 chip, 5000mAh large battery, rear four-camera, but it does not support the Wi-Fi 6 protocol. There are still few phones that support the Wi-Fi 6 protocol, most of which are high-end flagship phones. If you have higher requirements for your phone's Wi-Fi network, consider buying a phone that supports Wi-Fi 6.
OPPO's latest Qualcomm Snapdragon 865 processor phones all support WiFi6.In other words, the latest 5g mobile phone supports WiFi6, and the previous ones do not support it.