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2. Tap Settings.
3. Tap Bluetooth.
4. Tap the bar to turn on Bluetooth,
if necessary. A list of available
Bluetooth devices displays.
5. From the list, tap the headset you
want to pair with your phone.
6. If necessary, enter a
PIN or passcode.
7. Tap done.
SETTiNgS
Storage Sense
To see what is taking up space on your
phone, use the Storage Sense app.
1. From App list, tap Storage Sense.
2. Tap phone to check the
details of the memory on your
phone or tap SD card.
3. Provide options to change
where you store music,
photos, apps, and more.
Data Sense
To nd more efcient ways to use mobile
data and track your usage, use the Data
Sense app. The Overview provides a
status on data usage using cellular versus
Wi-Fi.
1. From the App list, tap Data Sense.
2. Tap set limit and choose
the values you want.
3. Provide options to change
where you store music,
photos, apps, and more.
iNTErNET ShAriNg
Use your device as a mobile hotspot.
Log on and surf the web with any internet
capable device.
Note: Activation and data charges may apply.
1. From the apps list, tap Settings.
2. Scroll down and tap Internet sharing.
3. Turn on and use provided
Broadcast name and Password.
ApprOvEd FirmwArE
vErSiONS
This device will only operate with rmware
versions that have been approved for use
by T-Mobile and the device manufacturer.
If unauthorized rmware is placed on the
device it will not function.
CAriNg FOr yOur phONE
Make it last
Your phone is a complex electronic
device; think of it as a mini-computer.
71707th_NOK_TMO640UserGuide.indd 22-23 2/16/15 1:40 PM
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