Unable to activate iPhone 5s
Hello, i recently factory reset my iPhone and now I'm unable to activate it.
I tried to upgrade it / factory reset and upgrade it again via iTunes.
But it didn't helped.
Also, I have inserted the SIM card and now I have this problem "no service" and I don't know why.
On iTunes it keeps telling me that: "iPhone could not be activated because the activation information could not be obtained from the device".
Any solution for this problem?
Windows, 10