Bought a TELEKOM.DE sim card at a REWE grocery store when I was in Germany. Registered it and still no service… What did I do wrong? I did that home (not in Germany). I don’t have a German number so can’t do much

Bought a TELEKOM.DE sim card at a REWE grocery store when I was in Germany. Registered it and still no service… What did I do wrong? I did that home (not in Germany). I don’t have a German number so can’t do much

by masckmaster2007