Unable to connect to WiFi

First confirm which of the following situations applies

① Completely unable to connect to Wi-Fi

② Can connect to Wi-Fi, but it shows “No Internet Access”

The solution differs depending on the situation.

[If it is ①]

- Turn off the “Maximize Compatibility (Compatibility Preferred)” option in the smartphone's tethering settings

- Restart the smartphone and the device itself

- Clear the Wi-Fi connection history on the device, then try connecting again

- Change the Wi-Fi password to “none” or a simple password, then try connecting again

[If it is ②]

- Check whether the smartphone's SIM card supports tethering (internet sharing)