Hundreds of Apple products are deemed obsolete, meaning you can no longer get support or repairs on them. Considering the first ever Apple product sold was in 1976, this is not exactly a surprise.
If you are using an older iPhone or iPad, there is some good news. Apple is rolling out new updates for several older devices.
Apple is rolling out system updates for older iPhones and iPads that are no longer supported by the latest versions of iOS and iPadOS.