A phone warranty normally covers faults that meet the issuer’s definition during the stated period. It does not automatically cover every failure, accident or sign of wear.
Commonly covered categories

- manufacturing or material defects;
- component failure under normal use;
- specific battery failure where the warranty terms include it;
- parts and labour for an authorised remedy.
The exact promise can differ by manufacturer, retailer, refurbisher, device and region.
Commonly excluded categories
- accidental impact and cracked screens;
- liquid or environmental damage;
- cosmetic wear;
- normal battery ageing;
- unauthorised modification or repair;
- damage caused by incompatible accessories or misuse;
- faults outside the time limit.
Manufacturer warranty and retailer rights are separate
The retailer’s legal obligations do not disappear because a manufacturer warranty is short, expired or inconvenient. GOV.UK states that a customer can have rights to repair or replacement regardless of whether a warranty or guarantee exists or has run out.
The remedy may not be a new phone
The warranty can permit diagnosis, repair, replacement with an equivalent device or another stated remedy. Check data handling, replacement condition, storage capacity and warranty remaining after the remedy.
Check the written warranty
Save the terms that applied at purchase, then use How to Make a Phone Warranty Claim.
Battery cover needs its own check
A warranty may cover a defective battery but exclude normal capacity loss. Ask what diagnostic threshold or failure condition applies, whether the battery is treated as a consumable and whether labour is included. Do not use one manufacturer’s cycle target as a universal warranty standard.
Software and accessories
A hardware warranty may require software updates, reset or diagnosis before repair. It may cover supplied accessories for a different period from the phone. Third-party chargers are not automatically responsible for every charging fault, but damage caused by an incompatible or defective accessory may be excluded.
International and imported phones
A phone bought abroad or through a grey-market seller may have different regional service rights. Check model number, purchase country and whether UK service centres will honour the warranty before buying.
After a warranty repair
Ask what happens to the remaining original warranty and what separate cover applies to the replaced part. Test the device promptly and retain the repair record; it can matter for a later claim or resale.
Related guidance: For the wider insurance and repair decision, use Insurance and Warranty. The Phone Insurance and Warranty Guide brings the main costs, checks and trade-offs together.
Sources and fact-checking
Facts checked: 25 July 2026. This is general UK consumer guidance, not legal advice. The correct route depends on who sold the phone, what was promised and when the fault appeared.






