Blackberry 9788 Smartphone 6 0 User Guide

Turn on or turn off data service or set roaming options
Depending on your wireless service plan, you might be able to turn off data service (email messages, PIN messages, text messages with attachments, and browser service) on your BlackBerry® device so that only phone and basic text messaging are 
available. You can also set your device to turn off data services when roaming. For more information, contact your wireless  service provider.
1.On the Home screen, click the connections area at the top of the...

Add a wireless network to the preferred wireless network list
To perform this task, your BlackBerry® device must be connected to a GSM® or UMTS® network.
Depending on your wireless service plan, this feature might not be supported.
1.On the Home screen, click the connections area at the top of the screen, or click the Manage Connections icon.
2.Click Mobile Network Options.
3.Press the  key > My Preferred Network List.
4.Press the  key > Add Network.
•To scan for a wireless network to add, click Select...

Mobile network options
Change the connection speed for the wireless network
A faster connection speed requires more battery power.
Depending on your wireless service provider, you might not be able to change the connection speed for the wireless network.
1.On the Home screen, click the Manage Connections icon.
2.Click Mobile Network Options.
3.Change the Network Mode field.
4.Press the Escape key.
Related information
I cannot connect to the mobile network, 227
Turn on flashing LED notification for...

I cannot connect to a GSM or UMTS network
Try performing the following actions:
•Verify that your SIM card is inserted in your BlackBerry® device correctly.
•Verify that you are in a GSM® or UMTS® network area that is supported by your wireless service plan.
•Verify that the network that you want to connect to appears in your preferred wireless network list.
•On the Home screen, click the Manage Connections icon. Click Mobile Network Options. Verify that the Network 
Technology
 field is not set to...

Hotspots are available in many public places, such as libraries, airports, hotels, coffee shops, and so on. Some hotspots are free 
to use, while others require payment. Your wireless service provider might provide an application for your device that allows 
you to log in to a hotspot. If you do not have an application on your device, you might have to set up your own account online 
and log in manually.
When you connect to a WLAN, your device saves the connection information so that the next time that...

Prevent your device from connecting to a saved WLAN
1.On the Home screen, click the connections area at the top of the screen, or click the Manage Connections icon.
2.Click Set Up WLAN Network > Saved WLAN Networks.
3.Highlight a saved WLAN.
4.Press the  key > Disable.
Turn on the prompt that appears for hotspots
By default, your BlackBerry® prompts you if you are within range of a saved WLAN that appears to be a hotspot. If you turn off these prompts, you can turn them on again.
1.On the Home screen,...

OptionDescriptionDefault gateway 
addressType the default gateway IP address that your device should connect to.Domain suffixType the domain that your device uses to resolve host names into IP addresses.
WEP options
These options appear if you choose the WEP security type.
OptionDescriptionSelect WEP keySet the type of WEP key for the WLAN.WEP keyType the WEP key for the WLAN in hexadecimal format.
WPA/WPA2 Personal options
These options appear if you choose the WPA/WPA2 Personal security type....

Install a root certificate on your device
You might not be able to connect to some WLANs until you install a root certificate on your BlackBerry® device. You can install the root certificate on your computer, and then use the certificate synchronization tool of the BlackBerry® Desktop Software to 
synchronize the root certificate between your device and your computer. For more information, see the Help for the 
BlackBerry Desktop Software, or contact your administrator.
About using WLAN with VPN and...

•If the WLAN does not appear in the Set Up WLAN application, it might be hidden. If you know the WLAN name, try connecting to the WLAN manually.
•In the Set Up WLAN application, verify that the options for the WLAN are correct.
•If you switched WLANs manually, switch to another WLAN or set your BlackBerry device to scan for available WLANs.
•If your email account uses a BlackBerry® Enterprise Server, your device might prevent you from connecting to certain 
wireless access points. For more information,...

Bluetooth technology
Bluetooth technology basics
About Bluetooth
Bluetooth® technology is designed to establish a wireless connection between your BlackBerry® device and a Bluetooth enabled device, such as a hands-free car kit or a wireless headset.
Before you can connect your BlackBerry device to a Bluetooth enabled device, you must first turn on Bluetooth technology on both devices and then pair the devices. Pairing establishes a relationship between the devices and usually needs to be done  only...