Blackberry Classic User Manual page 151

User Guide
5. Move the Early Data Limit Notification slider to receive an early notification when you are approaching your monthly
data limit.
6. To change when your monthly data usage cycle starts each month, in the Monthly Reset Date drop-down list, tap a
date.
Troubleshooting: Mobile network
I can't connect to the mobile network
Try the following solutions:
• Check that airplane mode is off. If airplane mode is on, the option to turn on the mobile network is unavailable. To turn
off airplane mode, on the home screen, swipe down from the top of the screen. Tap
Mode switch.
• Check that the connection to the wireless network is on. To check your connection, on the home screen, swipe down
from the top of the screen. Tap
Network switch is on.
• Check that your BlackBerry device is connected to your service provider's network. If you switched wireless networks
manually, your device remains connected to that wireless network until you select your service provider's network
again.
• If your device uses a SIM card, verify that it is correctly inserted into your device.
• If your device normally connects to a CDMA network and your device supports international roaming, check that your
device is in roaming mode and that your SIM card is correctly inserted into your device.
• Contact your service provider to check whether your device is network locked. If your device is network locked, your
device can make a mobile network connection only with your current service provider. Ask your service provider for an
unlock code. Tap
item. Enter the unlock code.
Wi-Fi connections
A Wi-Fi network connection is one way to get data services on your BlackBerry device, but unlike using the mobile network,
using Wi-Fi doesn't add charges to your data plan. Your device is designed to try to use saved Wi-Fi networks before it tries
to use the mobile network for basic data functions such as using the Internet or downloading apps. You can leave Wi-Fi
turned on so that when you're in range of a saved Wi-Fi network, your device can connect to it automatically.
Connect to a Wi-Fi network
When you connect to a Wi-Fi network, your BlackBerry device saves the network information. The next time you're within
range of the saved Wi-Fi network, if Wi-Fi is turned on, your device connects automatically.
1. On the home screen, swipe down from the top of the screen.
Settings > Networks and Connections > Mobile Network. Check that the Mobile
Settings > Security and Privacy > SIM Card. In the Phone Network Lock section, tap a locked
Settings
Settings. Turn off the Airplane
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