Can an unlocked gsm iphone 8+ work with sprint?

Can an unlocked gsm iphone 8+ work with sprint?

Iphone 9 yes

On GSM? No. Sprint 3G was CDMA - like Verizon. It can work on LTE… And provide voice service using VoLTE. The bigger question is whether Sprint will allow that phone on their network - and Sprint customer service can answer that.

I believe the 6s and higher unlocked work with either but you can look it up in Sprint website and the Sprint store likely has a SIM card to test compatibility
I believe they had the same hardware as the SIM free that started they year.

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