Blackberry Z3 Smartphone 10 3 2 User Guide

Monitor your wireless data usage
You can check how much data you have used over your mobile network or your Wi-Fi network. You can also monitor which 
apps and services are using the most data, and you can close some apps to help reduce your data usage or improve the  device performance. 
Depending on your wireless service provider, this feature might not be available.
1.On the home screen, swipe down from the top of the screen.
2.Tap  Settings > App Manager > Device Monitor.3.Tap .
4.Tap Mobile Data or...

You are connected to the BlackBerry Infrastructure.The number of solid waves indicates the strength of the Wi-
Fi
 signal. If the signal is weak, your device might use more 
power to try to maintain the connection.
Your device is connected to a VPN.Your device is in airplane mode and all of your wireless 
network connections are off. You can turn on 
Wi-Fi or 
Bluetooth technology, but not your connection to the mobile 
network.
There is an error with your SIM card. For information on  what the error is,...

Wi-Fi
A Wi-Fi network connection is another way to get data services on your device, but unlike using the mobile network, 
using 
Wi-Fi doesn

You can use Mobile Hotspot mode to connect up to eight devices to your BlackBerry device. (The number of devices that you can connect depends on your wireless service provider.) Connecting your devices using Mobile 
Hotspot mode is like connecting to a 
Wi-Fi router; you can use the Wi-Fi connections on your devices, but you don

Change the APN settings for your default Internet connection
Your BlackBerry device uses Access Point Name (APN) settings to open a data connection with your service provider

1.On the home screen, swipe down from the top of the screen.2.Tap  Settings > Networks and Connections > Mobile Network.
3.If the Mobile Network switch is off, turn it on.
4.In the Network Selection Mode drop-down list, tap Manual.
5.When your device finishes scanning for networks, tap a network.
Turn off data services while roaming
Depending on your wireless service plan, you might be able to turn off data services (email messages, PIN messages, text messages with attachments, and browser service) on...

Troubleshooting: Mobile network
I can

1.On the home screen, swipe down from the top of the screen.2.Tap  Settings > Networks and Connections > Wi-Fi.
3.Check that the Wi-Fi switch is on.
4.Tap . 
5.Tap and hold the network that you want to delete.
6.Tap .
Disable or re-enable a saved Wi-Fi network
If you want to stop your BlackBerry device from automatically connecting to a saved Wi-Fi network, but you don

Password
If the Wi-Fi network is password protected, enter the password.
CA Certificate
Set the root certificate that your device should use to verify that it