Batteries for phones sold in the EU will all be replaceable within 3.5 years:

The new rules foresee that batteries will need to be easier to remove and replace, while consumers are better informed. Portable batteries in appliances should be designed so that users can easily remove and replace them. This requirement will become mandatory three-and-a-half years after the rules enter into force.

…europa.eu/…/new-eu-rules-for-more-sustainable-an…

The EU actually forced companies to help consumers, so they are already planning to comply… even Apple.