Explainers
InformationalAre Refurbished Phones Unlocked? A UK Carrier Compatibility Guide
Most refurbished phones come unlocked — but not all. Here's how to be sure before you buy.
One of the most common questions UK buyers ask is whether refurbished phones come unlocked. Here's the complete answer plus a guide to carrier compatibility for major networks.
Are refurbished phones unlocked?
The vast majority of refurbished phones sold by reputable UK sellers, including everything in our second-hand phones collection, come fully unlocked.
UK network compatibility
Unlocked refurbished phones work on EE, O2, Vodafone, Three, Tesco Mobile, Giffgaff, Sky Mobile, Lebara, Lyca Mobile, Smarty and Voxi.
How to check if a phone is unlocked
Insert a SIM card from a different network. If you can make calls and access mobile data, the phone is unlocked.
What if the phone is locked?
Contact us via our contact page — we'll help unlock it free of charge.
Dual SIM and eSIM compatibility
Recent iPhones (XS and newer) and many Galaxy models support eSIM. The iPhone 15 supports up to 8 eSIM profiles.
Frequently asked questions
Will my new SIM work straight away?
Yes — just insert your SIM and you'll be ready to call, text and use mobile data.
Can I switch networks easily on an unlocked phone?
Yes — that's the main benefit of buying unlocked. Swap SIMs whenever you want.
Eleanor Wright
Senior Editor, Mobile
Part of the Second Hand Phones editorial team — writing honest, useful guides for UK shoppers buying second-hand smartphones.
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