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My phone struggled to get signal: These 5 quick fixes instantly improved its reception
Restarting is always a good fallback, but before you get to that point, there are other steps you can take if you're off the grid and disconnected.
Climbing to a higher location is always helpful, as I long ago discovered by summiting the hill behind my friend's cabin in Cub Run, Kentucky. This allows any residual power in the device's capacitors and circuitry to dissipate completely, preventing issues caused by lingering electrical charges. Apple replaced them in favor of an embedded digital version (called eSIMs), making it easier to switch between providers and mobile networks.
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