When was everything working ok for you last?
What changed on the phone since then?
What exactly do you mean by "no signa[l?]"?
Do you have a connection to the 48 network - i.e. signal bars?
Cash credit alone doesn't let you make calls, send texts and use mobile data.
You need an active membership plan to use those services.
See here:
Do you have an active membership plan listed on your My48 account dashboard?
If you need to contact 48 support about this then see the links in my signature below.
