The following icons might appear in the upper-right corner of the home screen to indicate the wireless coverage level that your BlackBerry device currently has.
|The number of solid bars indicates the strength of the mobile network signal. If the signal is weak, your device might use more power to try to maintain the connection.|
|Your device is connected to the network type shown and can access all of the features of your mobile network plan.|
|Your device is connected to the network type shown but the network functionality is limited. You're likely able to make a phone call, but not able to access the Internet or view email messages.|
|You have no mobile network coverage.|
|Your device is roaming. Extra charges might apply.|
|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 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, from the top of the home screen, swipe down. Tap Settings > Network Connections > Mobile Network.|
|You can only make emergency calls.|
The following icons appear in the upper-left corner of the home screen if your device is connected or trying to connect to another device using Mobile Hotspot mode, Internet tethering, Bluetooth technology, or NFC.
The NFC feature might not be available, depending on your wireless service provider, your administrator's settings, and your BlackBerry device model.
|Mobile Hotspot mode is on. If the icon is solid, Mobile Hotspot is connected.|
|Internet tethering is on. If the icon is solid, your device is connected to another device.|
|Bluetooth technology is on. If the icon is solid, Bluetooth technology is connected.|
|NFC is on.|