These are usually printed on the back of the smartphone box that came with the device. Under wireless connectivity column check for symbols with 802.11ac or WiFi 5 or sometimes you will see WiFi 5G . Alternatively you can Google the phone specs of your smartphone online from websites such as this or gsmarena.com.
Read moreWhy is my 5GHz WiFi not showing up on Android?
If the 5GHz WiFi is not showing up on your Android device, or automatically combines with the 2.4 GHz network, then it’s most likely your device doesn’t support 5GHz . Some devices may automatically combine both frequencies when they share the same name and password.
Read moreHow do I enable 5GHz on my Android?
If you wish, you can force your Android device to connect to Wi-Fi hotspots using the speedier 5 GHz frequency band. Tap Settings > Wi-Fi, tap the three-dot overflow icon, then tap Advanced > Wi-Fi Frequency Band . Now, pick a band: either 2.4GHz (slower, but longer range) or 5GHz (faster, but shorter range).
Read moreHow do I get my iPhone to recognize 5GHz WiFi?
Airport Utility 6.0: Airport Extreme > Edit > Wireless > Wireless Options > Tick the box next to “5GHz network name” .
Read moreWhy is 5G WiFi not working on my phone?
Why Is Your 5GHz WiFi Not Showing Up On Android? The issue may lie in that the router or the Android devices don’t support the 5GHz network . That’s why it’s important to first check everything in settings in both device and router and make sure they have the needed compatibility with the 5GHz network.
Read more