Summary
Philips Hue lights can still be controlled from your phone, even if your internet connection is down, as long as the Hue Bridge hub is connected to your wireless router and your phone is connected to your home’s Wi-Fi network.
1
If you can't add new Philips Hue bulbs, make sure you have paired them to your smart home using the free Hue app for Android and iOS.
2
If your Philips Hue lights are unreachable, check if you have connected them to a dimmer switch.
2
If your Philips Hue bulbs are flickering or buzzing, it could be because you connected them to a dimmer switch.
2
If your lights or switches are unreliable or don't turn on, consider if you have connected them to a dimmer switch.
3
According to