Who did you buy them from - even Apple says you can take a case under consumer rights law up to 6 years from purchase:
(Historically I have had help from Apple Support that covered a phone that would not charge - replaced once they had tried all options at the authorised repair shop)
Summary of Consumer Laws, the Apple Limited Warranty, the AppleCare Protection Plan or AppleCare+.
The above summary is subject to the full terms and conditions applicable to the Apple Limited Warranty, AppleCare Protection Plan or AppleCare+. Copies of those respective terms and conditions are available at apple.com/uk/legal/warranty/ and apple.com/uk/legal/sales-support/.
Consumer Laws in the United Kingdom Apple Warranty AppleCare Protection Plan or AppleCare+ Claim period England and Wales: 6 years from date of delivery
Scotland: 5 years from date of delivery2 years from date of purchase for Apple Watch Edition
1 year from date of purchase for all other Apple productsUp to 3 years from date of purchase of AppleCare+ for Mac- or Apple-branded display, Apple TV or Apple Watch Edition
Up to 2 years from date of purchase of AppleCare+ for iPad, iPhone, iPod, Apple Watch, HomePod or Apple- and Beats-branded headphones
Up to 3 years from Apple TV purchase date for AppleCare Protection Plan for Apple TVCost of coverage Statutory rights at no additional cost Included at no additional cost Available for additional cost How to make a claim Call or visit your seller 2 Call Apple support 1or visit an Apple Retail Store or Apple-Authorized Service Provider Call Apple Support 2 or visit an Apple Retail Store or Apple-Authorized Service Provider Included repair or replacement options Contact the seller for details Carry-in or mail-in3 Carry-in or mail-in for all devices; express replacement service for Apple TV, Apple Watch, iPad, iPhone (excluding screen-only damage), HomePod, and Apple- and Beats- branded headphones; or onsite service for Mac and Apple-branded display3
AppleCare+ is an insurance product which provides up to two incidents of accidental damage coverage every 12 months, each subject to an excess fee.Repair or replacement outside country of purchase Contact the seller for details Yes4 Yes4 Technical support5 Contact the seller for details 2 years from date of purchase for Apple Watch Edition
90 days from date of purchase for all Apple productsUp to 3 years from date of
purchase of AppleCare+ for Mac- or Apple-branded display, Apple TV or Apple Watch Edition
Up to 2 years from date of
purchase of AppleCare+ for iPad,
iPhone, iPod, Apple Watch, Homepod or Apple- or Beats-branded headphones
Up to 3 years from Apple TV purchase date for AppleCare Protection Plan for Apple TV