A user has just returned from an international trip and reports that their 5G-capable smartphone cannot connect to the cellular network, even though it was working abroad. The user has already tried restarting the device. What is the MOST likely next step to resolve this connectivity issue?
Update the Access Point Name (APN) settings.
Manually select the correct carrier in the device's mobile network settings.
Perform a full reset of the device's network settings.
When a mobile device is used internationally, it may connect to a foreign carrier's network. Sometimes, upon returning to the home country, the device does not automatically re-select the home carrier network. Manually checking the network selection settings and ensuring the correct home carrier is chosen is the most direct way to solve this specific issue. Toggling airplane mode or resetting network settings are general troubleshooting steps that might work, but they are less specific than directly addressing the likely cause. Updating the APN settings is typically only necessary if data services are not working while calls are, or if instructed by the carrier after a plan change, not for a complete loss of network connection after travel.
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