To contact 48 support see the links in my signature below.
48 support don't tend to monitor or respond to posts here on the Community Forum.
If the chat option doesn't appear/work you'll have to use email.
When was everything working ok last?
What changed in the meantime?
What are the symptoms of your problem?
What exactly is/isn't working?
Connection to the 48 network - i.e. signal bars?
Incoming/outgoing calls?
Incoming/outgoing texts?
Mobile data?
