Refurbished iPhone 17 256GB Sage, Unlocked
£699
Lowest Excellent price 
Back Market
- 1‑year warranty
- 30‑day returns
- Free shipping
- Dual SIM
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More offers, any condition, cheapest first
- Back Market Dual SIM · 1‑year warranty £699
- Back Market 1‑year warranty £724
- Back Market 1‑year warranty £765
MusicMagpie 1‑year warranty £769 - MusicMagpie 1‑year warranty £799
- Back Market eSIM only · 1‑year warranty £710
- Back Market eSIM only · 1‑year warranty £770
Prices checked 15 Oct, 14:08
Other iPhone 17 versions
Color
Not buying today? Get an alert under £660
Refurbished iPhone 17 prices today
£699 is a typical price for an iPhone 17 in Excellent condition.
Over the last 30 days, the lowest price in Excellent condition was usually £685 to £749.
7 offers from 2 sellers today, £699 to £799.
What Excellent, Good and Fair look like
The grade describes looks only, as each seller grades it. Every seller here gives a 1‑year warranty. Each seller words its own grades, so here is what each seller calls it.
From £699 for this configuration, at 2 of 2 sellers
- Back Market calls it Premium or Excellent
- MusicMagpie calls it Pristine
Shown on an iPhone 16, for illustration.
From £769 for this configuration, at 1 of 2 sellers
- Back Market calls it Good
- MusicMagpie calls it Very Good
Shown on an iPhone 16, for illustration.
From £724 for this configuration, at 1 of 2 sellers
- Back Market calls it Fair
- MusicMagpie calls it Good
Shown on an iPhone 16, for illustration.
iPhone 17 specs
- Screen
- 6.3" OLED display · 460ppi at a resolution of 2622x1206
- Processor
- Apple nullGhz 6-core A19
- Memory
- 8GB
- Carrier
- Unlocked
- Has
- Face ID, USB-C port, MagSafe charger, wireless charging, water resistant
- Does not have
- Touch ID, headphone jack
- Shipped with
- iOS 26 or above
- Latest software
- iOS 27
- Wi-Fi generation
- Wi-Fi 7
- Part numbers
- MG4A4B/A, MG4A4, MG6N4, MG6C4, MG714
- Model identifier
- Pending
- Model number
- A3258
- EMC number
- 8947
- Released
- September 8, 2025
- Discontinued
- N/A
- Weight
- 0.39 lb
- Size (H x W x D)
- 5.89in x 2.81in x 0.31in
Questions about the iPhone 17
What is MG4A4B/A?
MG4A4B/A is Apple's part number for the iPhone 17 256GB Sage, made for the UK (the B/A suffix). Its model number is A3258. Apple released it in September 8, 2025. Its launch price was £799. It runs iOS 27. Other part numbers for the same device: MG6N4, MG6C4, MG714.
Which seller has the cheapest refurbished iPhone 17?
Today it is Back Market, at £699 for a Excellent (A) unit with 1‑year warranty. The cheapest Good unit is £710 at Back Market. The cheapest Fair unit is £724 at Back Market.
What warranty comes with a refurbished iPhone 17?
It depends on the seller. On this page: Back Market 1‑year warranty, MusicMagpie 1‑year warranty. Return windows: 14 days at MusicMagpie; 30 days at Back Market.
Will a refurbished iPhone work with my carrier?
An unlocked refurbished iPhone works with any carrier that supports its network bands, so it is the safe choice when you are unsure. A carrier-locked iPhone only works on the network it was tied to. RefurbMe shows each listing's carrier and lets you filter to unlocked models, so you can match a phone to your network before you buy.
Full answer: Will a refurbished iPhone work with my carrier?
Are refurbished phones locked to a carrier?
Some refurbished phones are locked to a single carrier, and some are sold unlocked. A carrier-locked iPhone only works with SIMs from the network it was tied to, while an unlocked one works on any compatible carrier. On RefurbMe you can see the status before you buy, because every iPhone listing says Unlocked or carrier-locked in its title, and on the US site you can filter to unlocked models only.
Can I use eSIM on a refurbished iPhone?
Yes. Refurbished iPhones support eSIM if the original model includes eSIM hardware. The refurbishment process does not affect eSIM capability. Any iPhone XS or later supports eSIM, and all iPhone 17 models and iPhone Air are eSIM-only worldwide (no physical SIM tray).
Do refurbished iPhones have a new battery?
Not every refurbished iPhone gets a new battery, but Apple Certified Refurbished iPhones always do. Apple states that every unit it refurbishes receives a brand-new battery and outer shell. Third-party refurbishers instead test the existing battery and replace it only if it falls below their standard. Whether the battery is new depends on who refurbished the phone.
Will a refurbished iPhone have an activation lock?
No. A refurbished iPhone from a professional refurbisher should never have an activation lock. Reputable sellers remove iCloud Activation Lock and erase all previous user data as a standard part of the refurbishment process.
Full answer: Will a refurbished iPhone have an activation lock?