After paring, check the signal: Click "Gateway" > choose the gateway connected > nearby locks > check if the signal is strong > move the gateway closer to lock if the signal is weak. Ensure that the smart lock is no more than 16 feet away from the gateway, it will connected with Gateway autonomously,and confirm that both your phone and the gateway are linked to the identical WiFi network (The gateway only works with 2.4 GHz WiFi). If you have 5G Wi-Fi, you can set and add 2.4Ghz Wi-Fi by dual-band router.