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It's official: Smartphones will need to have replaceable batteries by 2027
(www.androidauthority.com)
This is a most excellent place for technology news and articles.
You are right. My iPhone XR is around 4 or 5 years old, and now I need to charge it in the afternoon if I have used it during work to spend some time. I guess that in a year I’ll have to replace it because the battery will last even less.