What are the common roaming pitfalls for UK or US SIM card users in Iceland, and how does DataESIM compare?

Iceland is a notable roaming cost trap for many international travelers. For UK users, post-Brexit, most major carriers like O2, Vodafone, and Three have reinstated daily roaming charges, typically £2-£6. US, Canadian, and Asian carriers often levy substantial per-MB or daily pass fees that quickly become exorbitant. DataESIM sidesteps these issues with dedicated, high-data plans for Iceland, offering transparent, fixed pricing. This eliminates the risk of bill shock, providing predictable high-speed data access for digital nomads exploring Iceland's unique landscapes without hidden costs.