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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 can do that now with a heat gun and some very basic tools.
A heat gun is a specialized tool. That's the problem.
It's really not a specialized tool.l at all, there are a million things you can use a heat gun for. And they're like $20 at Harbor Freight.