Microsoft Lumia 640 User Manual page 123

The passcode is only used when you connect to something for the first time.
Send your content using Bluetooth
When you want to share your content or send photos you've taken to a friend, use Bluetooth
to send your stuff to compatible devices.
You can use more than one Bluetooth connection at a time. For example, while using a
Bluetooth headset, you can still send things to another device.
1. On the start screen, swipe down from the top of the screen, tap ALL SETTINGS >
Bluetooth, and switch Status to On .
2. Tap and hold the content you want to send, and tap share... > Bluetooth.
For example, in the Photos hub, tap and hold a photo, and tap share... > Bluetooth.
3. Tap the device to connect to. You can see the Bluetooth devices within range.
4. If the other device needs a passcode, type in the passcode. The passcode, which you can
make up, must be typed in on both devices. The passcode in some devices is fixed. For details,
see the user guide of the other device.
The passcode is only used when you connect to something for the first time.
The location of the received files depends on the other device. For details, see the user guide
of the other device.
If the other device is also a Lumia phone, the received files are saved in the apps they belong
to. For example, photos are saved in the Photos hub.
Set your phone to driving mode
Driving mode helps you minimize distraction when driving, letting you concentrate on your
journey.
1. On the start screen, swipe down from the top of the screen, and tap ALL SETTINGS >
driving mode > next.
2. To set the phone to ignore calls, switch Ignore calls to On . To set the phone to ignore
text messages, switch Ignore texts to On .
3. Tap next.
4. To send an automatic text message when someone calls or texts you, explaining why you
can't answer, switch Text replies to calls, Text replies to texts, or both to On . To edit
the message, tap the text box.
5. Tap next > add a device, and tap the Bluetooth device you connect your phone to when
driving, such as a headset.
Driving mode starts automatically when the phone and the added Bluetooth device connect.
Change your device name
You can change your phone's device name to make it easy to identify when connecting to
other devices with Bluetooth.
1. Use a compatible USB cable to connect your phone to a computer running Windows.
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