"if total power was lost, how was the plane able to communicate with the server?" The same way black boxes keep beeping even twenty thousand leagues under the

"if total power was lost, how was the plane able to communicate with the server?" The same way black boxes keep beeping even twenty thousand leagues under the sea. The lightning was the first red herring, but it got quickly dismissed by experts. Now they say it's gonna take years to know the cause, so we can forget about it.