Maxie3072 years ago000I can't install Signal, I always get the error message that "Connection to service not possible".... But all updates are done... Does anyone have an idea what the problem could be?Show in original language (German)Cla6col72 years ago000Maybe Simlock on an earlier mobile?Show in original language (German)Commentvincenzo.valenti212 years ago000HelloIt is your SIM card and not the mobile phoneShow in original language (German)Comment