You order an eSIM conscience Belgium on the internet, you receive a QR code, scan it, follow the élémentaire steps and within less than 2 laps you have an eSIM installed je your phone. Find démodé where to buy a sim card, up to Journée prices as of February 2025, https://www.becharge.be/be-nl/Kopen/betaalkaarten-PCS-Belgium-2-152