🇧🇪 List of hardware stores selling Fairphones in BXL?

hello and welcome
the FP site gives some guidance on local sellers in Brussels, Where to buy | Fairphone
you could also check with some Brussels Fairphone Angels - community volunteers - 👼 The Fairphone Angels Program and Map (Local support by community members)
There has also been a wiki on Fairphone resellers - ✏ List of Fairphone 5 Resellers

good luck