If you received an email from KnowRoaming about an update, or simply want to ensure your Global SIM is fully updated, please first select the type of Global SIM you are using (SIM Sticker or SIM Card), then follow the steps listed:

Global SIM Sticker 


Global SIM Card    


Please reach out to Customer Support at [email protected], +1-888-357-7347, or a number that is local to you if you are unclear about any part of the instructions.