1. FLUX Delta only supports 2.4 Ghz Wi-Fi, and 5 Ghz is not supported.
2. WPA-PSK / WPA2-PSK, or WEP encryption mode are suggested.
3. Please keep the distance between router and the printer less then 5 meters.
4. SSID should not includes non ascii character.
If the above conditions don't apply, kindly report your AP model name to FLUX Team, we will further check the compatibility.