You'll need to provide a bit more information than that if you want assistance from the Community Forum.
When was everything working ok last?
What changed in the meantime?
What exactly do you mean by "no signal/signal issue"?
What exactly is/isn't working?
Connection to the 48 network - i.e. signal bars?
Incoming/outgoing calls?
Incoming/outgoing texts?
Mobile data?
Do you have an active membership plan?
Is your phone unlocked for use on any network?
If you need to contact 48 support about this then see the links in my signature below.
