Nokia 1 Bedienungsanleitung

If you have trouble hearing your phone ringing in noisy environments, or calls are too loud, you can change the volume to your liking by using the volume keys on the side of your phone.

Do not connect to products that create an output signal, as this may damage the device. Do not connect any voltage source to the audio connector. If you connect an external device or headset, other than those approved for use with this device, to the audio connector, pay special attention to volume levels.

Press a volume key on the side of your phone to see the volume status bar, tap keyboard_arrow_down, and drag the sliders on the volume bars left or right.