6 Arrival Checks UK Buyers Must Run for Refurbished Phone Grades

What do grades A, B and C actually mean?

Grading systems vary slightly between sellers, but the core logic stays consistent across the market: the letter tells you what the phone looks like, not necessarily how it performs. A refurbished device that has passed functional testing can still carry a lower cosmetic grade simply because it has scuffs or light scratches from previous use.

Grade A, sometimes labelled “excellent” or “like new,” should show no visible scratches when the screen is on, with only the faintest marks visible under close inspection in strong light. The casing should look nearly unmarked, and most listings at this grade include original or near-original accessories.

Grade B, often called “good” or “very good,” is where most refurbished stock sits. Expect light scratches on the screen or body that are not visible when the phone is in use, and perhaps a small scuff on a corner. Which? describes this tier as cosmetically imperfect but fully functional, and notes it is commonly cited as the sweet spot between price and condition.

Grade C, labelled “fair” or “acceptable” by some retailers, carries more visible wear: scratches that show under normal use, more noticeable scuffs on the frame, or a worn charging port surround. The phone still works properly, but it looks like what it is, a well-used handset.

A separate category, often marked “for parts” or “faulty,” covers devices that do not function correctly or have failed testing. These are not fit for everyday use and should never be mistaken for a low cosmetic grade.

Across every grade, certain defects should never appear in a listing described as refurbished:

• Cracked or shattered screens, even if the display still responds to touch.
• Any sign of water damage, including a tripped liquid indicator.
• Missing or non-original internal components not disclosed in the listing.
• Swollen batteries or casings that do not sit flush.

Packaging and accessories typically scale with grade too. Grade A phones often arrive in retail-style boxes with a charging cable and sometimes a case. Grade B and C listings more often include a generic box and a basic cable, with the seller noting whether original accessories are included.

What should you check when buying a refurbished phone?

A grade is a starting point, not a guarantee. Running a few checks before and after purchase confirms the listing matches what arrives.

1. Check the battery health before committing. Which? notes that 80% capacity is a commonly used threshold for acceptable battery condition, and many refurbishers only replace a battery once it falls below that mark, so look for listings that state “new battery” or “battery replaced” explicitly.
2. Inspect the screen, camera, speakers and buttons on arrival, checking for dead pixels, muffled audio, unresponsive buttons or a camera that fails to focus.
3. Check the ports for debris, bent pins or looseness, since a worn charging port can point to heavier prior use than the grade suggests.
4. Confirm the IMEI against the listing and check it has not been reported lost, stolen or blacklisted by a network.
5. Verify the phone is unlocked if that was advertised, and confirm whether internal parts are original, since non-official repairs can trigger hardware warnings on some modern handsets.
6. Read the warranty length and returns policy before paying, and keep a screenshot of the original listing alongside your proof of purchase in case a dispute arises later.

Pro Tip: Photograph the phone the moment it arrives, before charging it or inserting a SIM, so you have a timestamped record of its condition if a dispute over grading ever comes up.

Accessories should match what the listing promised. A Grade A phone missing its stated case or cable is a legitimate reason to query the order with the seller.

How do grades affect price and which one suits you?

Price generally tracks grade, though the gap between A and B is often smaller than the gap between B and C, since cosmetic perfection costs more to source and test for than a device that merely works well.

• Grade A suits buyers who want a phone that looks unused, perhaps as a gift or for resale value later, and who are willing to pay closer to near-new pricing for it.
• Grade B suits most general buyers: students, commuters and anyone replacing an older phone who wants reliable function without paying for cosmetic perfection they will cover with a case anyway.
• Grade C suits buyers on a tight budget or those who want a secondary device, a backup handset, or a phone for a child, where visible wear matters less than the lower price.
• For-parts listings suit buyers or repairers looking for spare components rather than a working phone.

A useful way to think about it: if you plan to use a case and screen protector from day one, as most people do, the cosmetic difference between Grade A and Grade B often disappears within a week of ownership. The money saved buys you the same phone doing the same job.

Refurbished versus second-hand: what is the real difference?

The word “refurbished” implies a process, while “second-hand” simply means someone owned it before you. That distinction matters for the protections attached to each.

• Refurbished devices from professional retailers typically go through multi-point diagnostic checks before resale and commonly come with a warranty, giving buyers a documented grade and a route to recourse if something fails early.
• Second-hand devices sold peer-to-peer, through classified ads or private marketplaces, rarely carry any formal testing or warranty, so the buyer absorbs nearly all the risk of a hidden fault.
• Grading consistency also differs: a retailer with an established grading system applies the same criteria across its stock, while a private seller’s idea of “good condition” is entirely subjective.

Under the Consumer Rights Act, goods bought from a trader, including refurbished stock, must be of satisfactory quality, fit for purpose and as described, giving buyers a right to a refund, repair or replacement if they are not. Those rights are harder to enforce against a private individual selling one phone online, which is part of why refurbished stock from a retailer usually costs more than an equivalent second-hand listing, in exchange for that extra layer of protection.

How does the refurbishment process shape each grade?

Grading is not just a visual once-over. A proper refurbishment process runs a device through diagnostics, replaces failing components, and only then assigns a cosmetic grade based on what is left to judge.

Screens are typically tested for touch response and dead pixels before any cosmetic grading happens, and a cracked or faulty screen is usually replaced rather than sold as-is. Batteries follow a similar pattern: if capacity falls below the retailer’s threshold, commonly cited around 80%, it gets swapped for a new or tested replacement cell rather than left in place.

The rigour of this testing varies by seller. Some refurbishers run full multi-point diagnostics covering network connectivity, cameras, sensors and ports, while others focus mainly on power-on function and a visual check. This is why two phones with the same letter grade from different retailers can feel subtly different on arrival, one may have had its speaker grille cleaned and tested, another may not. Reading what a listing says about its testing process, rather than relying on the grade alone, fills that gap. A retailer that discloses replaced parts, such as a new battery or screen, is usually signalling a more thorough process than one offering a bare grade with no further detail.

Grades tell you less than a warranty does

A cosmetic grade is useful shorthand, but it says nothing about how long a phone will last in your pocket. The warranty and returns policy attached to a listing matter more, since they are the actual safety net if a fault appears in week three rather than day one.

Grade B remains the practical default for most buyers precisely because it rarely trades away reliability for a slightly lower price. Chasing Grade A for a phone you will immediately case and protect often buys cosmetic reassurance you will not notice after the first week.

Find graded refurbished phones without the guesswork

Refurbished phone listings from multiple retailers are brought together in one place, with filters for condition, price and brand, so you can compare a Grade B iPhone 15 Plus against other grades and models without opening a dozen tabs.

Before clicking through, check the listing for its stated grade, battery status and warranty length, exactly as outlined above. Browse current phone deals and other top UK discounts to compare your options before you buy.

Where this guide’s figures and claims come from

This guide draws on consumer protection guidance and reporting rather than seller marketing, so you can check the detail yourself.

• Gov, on buyer rights for goods not as described.
• Which?'s guide to buying a second-hand or refurbished phone, on grade definitions and battery thresholds.
• BBC reporting on the refurbishment industry, on diagnostics and warranties.
• Citizens Advice guidance on returning faulty goods, on claiming refunds and repairs.
• FactRated, for independent comparison of product condition and functional data.

Sources

• How to buy a second-hand or refurbished mobile phone — Which?
• BBC coverage on refurbishment industry practices
• Gov
• Return faulty goods — Citizens Advice

FAQ

What is the best grade for a refurbished phone?

Grade B is generally the best choice for most buyers, since it offers minor cosmetic wear at a noticeably lower price than Grade A, with no difference in how the phone functions. Which? cites Grade B as commonly striking the best balance between price and condition.

Is Grade C refurbished good?

Grade C phones work properly but show more visible wear, such as noticeable scratches or scuffs, making them a reasonable choice for buyers prioritising price over appearance. They are a sensible option for a backup device or a child’s first phone, provided the warranty and returns policy are checked before buying.

What are refurbished grades?

Refurbished grades, usually labelled A, B and C, are a shorthand for a phone’s cosmetic condition after testing and repair, not a measure of how well it works. Grade A means close to new, Grade B shows light marks, and Grade C shows more visible signs of previous use.

Is refurbished Grade B good?

Yes, Grade B is widely considered a solid choice, combining minor cosmetic imperfections with full function at a price below Grade A. It remains fully tested and typically comes with the same warranty protection as higher grades from the same retailer.