We will give you a new SIM Card for free whether you have lost it or your SIM card has been stolen. There are more ways how to get it:
Whatever method you choose, we will usually activate your new SIM card within 1 hour.
Contacts saved on your old SIM card will not be on the new SIM and unfortunately cannot be traced. Therefore, we recommend that you back up your contacts regularly (for example, through a Google Account or iCloud).