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SOS means it has cell service and you can call 911.

If there is no cell service then it's SOS with a little picture of a satellite next to it.



Except SFFD is reporting that (some) AT&T customers are unable to call 911.


SOS mode typically means that your phone is connected to a carrier other than one you have a contract with.


I wonder if some devices bungle their failover. The exact failure mode state of AT&Ts network might cause some devices to hang onto AT&T’s RF.




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