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Turn on or turn off a network connection, 238
Switch wireless networks manually, 239
Turn on or turn off data service or set roaming options, 239
Turn on or turn off a network connection, 238
Error messages
Data service unavailable
Description
This message appears when you don't have access to data services on your BlackBerry® smartphone.
Possible solutions
Try the following actions:
• Verify that you're in a wireless coverage area.
• Verify that the data service on your smartphone is turned on.
• If you're roaming, verify that you can access data services while you roam.
Related information
Turn on or turn off data service or set roaming options, 239
Wi-Fi technology
Depending on your BlackBerry® smartphone model, the Wi-Fi® feature might not be supported.
How to: Wi-Fi technology
Check what wireless networks your smartphone connects to
You can check the types of networks your BlackBerry® smartphone can connect to on your smartphone, as well as by visiting
www.blackberry.com/go/devices to see feature specifications for your smartphone model. The types of networks listed do not
reflect network connections, only the ability of your smartphone model to connect to those networks.
1. On the Home screen or in a folder, click the Options icon.
2. Click Device > About Device Versions. The types of networks your smartphone can connect to are listed in the brackets
after your smartphone model.
For more information about the wireless networks that your smartphone connects to, see the Safety and Product Information
booklet for your smartphone.
Related information
I can't connect to a GSM or UMTS network, 0
User Guide
Manage Connections
243