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.
|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.|