Microsoft lumia 635 User Manual page 6

4. Tap settings.
5. Tap the Use default voicemail number switch to turn off.
6. Tap the new voicemail number field.
7. Enter the desired phone number.
8. Tap anywhere outside of the phone number field to save your changes.
Bluetooth
Pair/Unpair Bluetooth device
To turn on Bluetooth and pair with a headset or other device, follow these steps:
1. From the Start screen, touch the screen and slide left.
2. Scroll down to and tap Settings.
3. Scroll down to and tap Bluetooth.
4. Tap the Status switch to turn on Bluetooth.
5. On the other device, turn on Bluetooth and make it discoverable.
6. Your phone automatically searches for other Bluetooth-enabled devices. Select the device for
pairing.
7. If prompted, compare the PIN numbers on the respective devices. If they match, tap OK.
8. If necessary enter the PIN number, then tap OK.
9. On the other device, accept the pairing.
Turn on / off Bluetooth
To turn on or turn off Bluetooth, follow these steps
1. From the Start screen, touch the screen and slide left.
2. Scroll down to and tap Settings.
3. Scroll down to and tap Bluetooth.
4. Tap the Status switch to turn Bluetooth on or off.
GPS
Turn on / off GPS
To turn on or turn off GPS, follow these steps:
1. From the start screen, swipe left.
2. Scroll down to and tap Settings.
3. Scroll down to and tap location.
4. Swipe the Location services switch right to turn on GPS or left to turn off GPS.
Network