What exactly do you mean by "activate the internet"?
Do you have an active membership plan?
Are calls and texts working?
I presume that mobile data is not working?
Did you configure your APN settings correctly?
Text "APN" to 50048 and follow the instructions here to do this:
If that doesn't help then you'll need to explain your problem more clearly.
If you need to contact 48 support about this then see the links in my signature below.
