I think 90% chance of apple going for the EU-Specific model just like they did for Digital markets act, 10 chance of screws, 0% chance of actually popping the back cover off with bare hands.
For Samsung, 50% chance EU-Specific models 40% chance screws, 10% chance back cover tool-less removal. (Edit: typo)
As for other smaller manufacturers, probably just 50%/50% either screws or tool-less back cover removal.
Having a spare battery in the bag, and just switch them over mid-day? Glorious. Would love to see that again.
It’s freedom to be able to bring extra batteries and not need a charger for days.
i’d tape a screw driver to the battery… the tiny drivers you’d need for modern phones could be tiny: look at the sim ejectors… that, but as a screw driver