Sorry @11061976 but giffgaff only sells single SIM phones.
All giffgaff phones are single sim only. I think the S8+ Dual Sim are hard to find in UK
Good Evening @11061976 🙂 . Thank you for your question about the Samsung Galaxy S8+ Refurbished (click/tap to view) within Giffgaff’s phone deals.
I’m sorry, Giffgaff do not sell any Dual SIM phones at present. All devices sold by Giffgaff are Single SIM phone. Hope that this isn't a deal-breaker for you. Sorry about that.
Interested in buying a click here to view.