Get the latest tech news

Here's what caused Verizon's massive outage on Wednesday (and how to get your free $20 credit)

If you see an SOS sign at the top of your phone, don't panic just yet. It's happening across the US.

None

Related news:

Verizon outage cause: What we know, what we dont

Verizon says customers affected by outage will get account credit

T-Mobile takes jab at Verizon outage in service update