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I have an iphone 4 that no longer works. I know that selling it is always an option, but i'm curious if i can scrap spare parts from it instead (especially sensors). I've looked online, but haven't found any evidence of any DIY instructions on how to do this. I suspect that doing this is extremely difficult, if possible/worth it at all.

How difficult would it be to extract components from an iphone? What equipment would i need to do this? Weighing in the cost-benefit of scraping components, is it worth it?

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    \$\begingroup\$ No. It's most definitely not worth it. \$\endgroup\$ – Dzarda Apr 18 '14 at 23:19
  • \$\begingroup\$ The screen. Battery. Maybe the jack. Nothing else. \$\endgroup\$ – Ignacio Vazquez-Abrams Apr 18 '14 at 23:23
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    \$\begingroup\$ If it's a phone that belonged to someone else you might be able to steal all kinds of personal information. If it's yours, you might want to think twice about selling it. Someone might be able to get it working. Think of it as a filing cabinet full of personal documents with a sticky latch. \$\endgroup\$ – Spehro Pefhany Apr 18 '14 at 23:27
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    \$\begingroup\$ Most of the sensors would be in ultra tiny packages so that's a challenge right there, they may also be using unlabelled or NDA obfuscated parts, check out the iFixit iPhone 4 teardown, that'll have list of most of the parts and you can decide from that whether it's worth pursuing further \$\endgroup\$ – Sam Jun 1 '16 at 10:23
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Very small scale, undocumented parts. You'd need smd desoldering tools, and then spend days on trying to figure out how it maybe works. Not worth it.

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