Wireless network signal strength can vary by location due to a number of factors including distance from the nearest cell tower and obstacles in the environment.
If you have low signal strength, try moving to a location with better coverage. Concrete and steel buildings may interfere with the reception, especially in elevators and underground locations like basements, subways, and tunnels.
to ensure you are covered by our network.
You can also place a call from your phone to any number. If you are able to make a call successfully you have re-established your connectivity to the network. Undelivered text messages will be delivered within minutes.