If you’re in a spot where you usually have perfect service and it’s still stuck, your phone might just need a little "nudge" to reconnect. A classic trick is to toggle Airplane Mode on for about ten seconds and then switch it back off. This forces the device to stop, take a breath, and scan for the network all over again. This forces the device to scan for available networks. If that doesn't work, ensure your cellular plan hasn't lapsed and that "Roaming" is enabled if you are traveling outside your primary coverage area.

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