Blackberry Curve 9310, 9315, 9320 User Guide

My smartphone responds slowly or freezes
Try the following actions:
•Close unused applications.
•Free some of your application storage.
•Update your BlackBerry Device Software.
•Remove and re-insert the battery. For more information about inserting the battery, see the printed documentation that came with your 
BlackBerry smartphone, or visit www.blackberry.com/docs/smartphones and see the Start Here guide 
for your smartphone.
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Manage Connections
Mobile network
How to: Mobile network
Manage Connections at a glance
 
 
Check which wireless networks your smartphone connects to
The types of networks listed do not reflect network connections, only the ability of your BlackBerry smartphone model to 
connect to those networks. For more information about the wireless networks that your smartphone connects to, see the 
Safety and Product Information booklet for your smartphone.
1.On the home screen or in a folder, click the Options...

•To turn off a network connection, clear the checkbox beside a connection type.
•To turn on the network connections that were turned on previously, click Restore Connections.
•To check the status of a network connection, click Service Status.
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Turn on or turn off airplane mode
You should keep network connections turned off in certain places, such as on an airplane or in a hospital. For more...

2.Click Networks and Connections > Mobile Network.
3.Change the Network Selection Mode field to Manual.
4.Click a wireless network.
5.Press the  key > Close.
To connect to your wireless service provider's wireless network again, change the Network Selection Mode field to 
Automatic.
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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...

Note: Extra fees usually apply when you roam. For more information about roaming fees, contact your wireless service 
provider.
Add a wireless network to the preferred wireless network list
Before you begin: To perform this task, your BlackBerry smartphone must be connected to aGSM 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 Networks...

5.Press the  key > Move. 
6.Click the new location.
7.Press the  key > Close.
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 Networks and Connections > Mobile Network.
3.Change the Network Mode field.
4.Press the  key > Close.
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•Verify that you're connected to your wireless service provider's network. If you switched wireless networks manually, your smartphone remains connected to that wireless network until you select your wireless service provider's network  again.
•If you set a specific speed for wireless network connections, verify that you're in a wireless coverage area that supports the connection speed.
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Switch wireless...

How to: Wi-Fi technology
Check which wireless networks your smartphone connects to
The types of networks listed do not reflect network connections, only the ability of your BlackBerry smartphone model to 
connect to those networks. For more information about the wireless networks that your smartphone connects to, see the 
Safety and Product Information booklet for your smartphone.
1.On the home screen or in a folder, click the Options icon.
2.Click Device > About Device Versions. The types of networks...

When you connect to a Wi-Fi network, your smartphone saves the connection information so that the next time that you are 
within range of that network, your smartphone connects to it automatically.
Connect to a Wi-Fi network
1.On the home screen, click the connections area at the top of the screen, or click the Manage Connections icon.
2.Click Wi-Fi Network.
3.If you want to connect to a public hotspot or to a Wi-Fi network that does not require authentication, select the Show 
Open networks only...

Saved Wi-Fi networks
Change, move, or delete a saved Wi-Fi network
1.On the home screen, click the connections area at the top of the screen, or click the Manage Connections icon.
2.Click Wi-Fi Network > Saved Wi-Fi Networks.
3.Highlight a saved Wi-Fi network.
4.Press the  key. 
•To change options for the saved network, click Edit. Change the options. Click Save.
•To move the saved network and change the order that your BlackBerry smartphone tries to connect to your saved 
networks, click 
Move. Click a...