Use this document to troubleshoot problems related to signal / reception. These issues can be caused by coverage, your location, handset issues, or SIM exhaustion.
Select from the below scenarios:
When you use a 3G/4G-enabled device in a 3G or 4G area, the device automatically scans for the best available network. The device will display 3G, 4G, or H next to the signal bars when successfully registered on a 3G or 4G network.
Note: 4G devices do not differentiate between 3G and 4G networks. If you are in a 3G or 4G network, your device will display as having a 4G connection.
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