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throw986477
44 days ago
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[–]
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iPhone 15 Pro Storage Expansion – 128GB to 512GB [...
What's going on around 7:40 when it looks like something is being vaporized onto the new chip?
xnyan
44 days ago
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parent
[–]
He's applying flux (appears to be a kind of rosin) by vaporizing it. Oxidation contaminates or prevents solder from joining, soldering flux (often rosin) is an acid that removes oxidation.
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