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 ...
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When cellular networks fail: How iPhone satellite messaging keeps you connected
What happens if the network that you depend on goes dark? Well, for a number of Verizon customers in the US, that was a reality that they had to face. As devices went into SOS mode or failed to ...
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