Signal & data availability
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Signal & data availability
This article provides an overview of signal and data availability.
- The Signal strength icon will display the strength of the network signal. When you are within range of a cellular tower the indicator will show more bars. If you are not in range of a cellular tower you will have fewer bars/less signal strength.
![device 2563/1246665.jpg](https://www.att.com/devicehowtomedia/image/2563/1246665.jpg)
- If the Signal Strength icon is replaced by an Airplane icon, Airplane mode is turned on and the device will not receive wireless signals.
![device 2563/1246667.jpg](https://www.att.com/devicehowtomedia/image/2563/1246667.jpg)
- If connected to a Wi-Fi network, the Wi-Fi signal icon will display the strength of the Wi-Fi signal and when data is being sent and received.
![device 2563/1246682.jpg](https://www.att.com/devicehowtomedia/image/2563/1246682.jpg)
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