Remove the connector sim card from an iPhone is not an easy task. Just because this is one of the few components of "human" dimension, we need a robust and soldering a lot of attention. Unlike the micro-components, in fact, in this case the amount of alloy to be heated to complete the transaction is significant, and if there is a risk juggles well to dissolve the plastic connector which holds the SIM (in which is the connector to be replaced).
In this case, I found myself an iPhone that had broken a stamp, sim connector, and which was subsequently forced into the interior. As soon as I started to desolder it, is coming off one of the pitches that hold the connector to the logic board (top right in the photo above). This can happen because of mechanical stress that the open space experiences, so the only way to restore the link was a wire-wrap the leg portasim the corresponding point of the logic board.
Now, armed with a tester, and found the point in the logic that has been tested for electrical continuity failed, I made up a link with a wire-wrap wire (AWG 34), which was welded on the first leg, and then folded along the outer profile of the logic board. With a little care can be slipped under the logic inside the metal shield in order to assure firmly.
It 's a very durable solution (the wire soldered on pin does not affect the flow of the sim, because contact with it on a different level of flow), not the least increases the thickness of the logic board, which can be safely secured to the cover.
Another possible mission impossible.
Enjoy!
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