If SOS is showing up on your iPhone's status bar, it means there's no cellular connectivity for your phone. Here are two quick ways to troubleshoot the problem if you think you should have a cellular ...
Have you noticed a disturbance in your cellular service? You're not alone.
When iPhones aren’t connected to a cellular network, they will typically alert the user by giving an indication in the phone’s status bar. Those notifications usually say “No Service” or “Searching,” ...
As of 10 a.m., Verizon is reporting small outages in Yosemite and Vidal, way in the desert in San Bernardino County, but no other outages.
More than 100,000 Verizon users nationwide report “SOS” and no service.
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