How do I use Wi-Fi tethering in the 5GHz band?

IMPORTANT: This article applies only to specific products and/or operating systems. Check the Applicable Products and Categories section of this article before starting these steps.

Solution

To use Wi-Fi tethering in the 5 GHz band.

Android 11

1. Find and tap Setting → Network and Internet → Hotspot and tethering → Portable hotspot.
2. Tap AP band and select 5 GHz band preferred.
3. Tap the slider on the top and turn it ON (blue)

Android 12 or 13 or 14

1. Find and tap Setting → Network and Internet → Hotspot and tethering → Portable hotspot.
2. Tap the slider beside Use 2.4 GHz only turn OFF (gray).

Note for Xperia 10 III and 10 IV:   Immediately after starting Wi-Fi tethering, you cannot connect from the client device for up to 3 minutes for checking the presence of radar in the 5 GHz band, so please connect after the notification of "5 GHz portable hotspot is available" is displayed.
Also, if radar is detected in the 5 GHz band during Wi-Fi tethering, the communication between the client devices will be disconnected, but after a while, the client devices will automatically reconnect.

Note for Xperia 10 III, 10 IV, 1 III, 5 III, PRO-I: The Wi-Fi tethering operates in the 5 GHz band if there is a frequency that can be used in the 5 GHz band, and operates in the 2.4 GHz band if the frequency in the 5 GHz band cannot be used.

Note for Xperia 1 IV, 5 IV,  5 V, 1 V, 1 VI and 10 VI : The Wi-Fi tethering operates in both 2.4 GHz and 5 GHz band if there is a frequency that can be used in the 5 GHz band, and Wi-Fi tethering operates in the 2.4 GHz band if the frequency in the 5 GHz band cannot be used.

Note: 5GHz Tethering support may vary by country/region.