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Incidentally, just replaced batteries in my Apple Watch S6, MBP M1 2020, and iPhone 12 Pro Max during a one-day visit to Shenzhen. A dude in Huaqiangbei did everything in two hours for a small fraction of what Apple would charge.

ECG stopped working reliably after the battery replacement, but otherwise the watch should be good for another few years (stuck on watchOS 26.x)

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> A dude in Huaqiangbei did everything in two hours for a small fraction of what Apple would charge.

I much prefer my approach of ordering hundreds worth of new equipment first just to change the battery on my wife's watch, over the course of maybe one-two weeks in total (pending I actually manage to open it, new tool for opening just arrived today!), which may or may not end up with me breaking the screen. Well, or breaking ECG it sounds like, the cables inside seem brittle indeed.

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