BlackBerry Research In Motion - Blackberry Cell Phone Z30 Manual Do Utilizador

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2.
Your device automatically detects the resolution of the HDMI display that your device is connected to. However, if 
you need to change the resolution, on the home screen, swipe down from the top of the screen. Tap 
Settings > 
Display. In the HDMI Display Mode drop-down list, tap the display mode that you want to use.
Mobile network
Connect to the mobile network
Before you begin: To turn on your mobile network connection, airplane mode must be turned off.
1.
On the home screen, swipe down from the top of the screen.
2.
Tap 
 Settings > Network Connections > Mobile Network.
3.
Set the Mobile Network switch to On.
To turn off your connection to the mobile network, set the Mobile Network switch to Off.
Roaming
In most cases your BlackBerry device automatically connects to the appropriate wireless network when you travel outside 
of your wireless service provider's coverage area. In some cases you must contact your provider to have your SIM card or 
device properly provisioned. If you're not sure if your device is set up for roaming, or what roaming fees will apply, it's a 
good idea to check with your wireless service provider before you travel.
Switch wireless networks manually
Your BlackBerry device is designed to switch to an appropriate wireless network automatically when you travel, but you 
might need to try switching networks manually if you're having trouble connecting or if the network signal is weak.
User Guide
Settings and options
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