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Remove the following 4 screws:
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Three 1.8 mm Phillips #00 screws securing the headphone jack and GPS antenna to the rear case. Note the order in which you remove the screws, as the left one has a slightly larger head.
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One 3.8 mm Phillips #00 screw in the plastic loop near the headphone jack.
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这个步骤还没有翻译 帮忙翻译一下
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Remove the four Phillips #00 screws securing the volume and mute switch.
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The mute switch assembly screws should be tightened with the switch in the off position. Check the protrusion of the switch when turned on, since it may not stick out far enough to operate if the switch assembly is incorrectly positioned. (Check the gap between the switch frame and the bezel (white gap showing between the two screws near the 6). The screw on the far right is slightly longer than the other 3 screws. When reassembling the phone, keep this in mind.
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147等其他人完成本指南。
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My mute/silent switch went bad. I obtained an assembly that included the metal bracket assembly for the mute switch. Here are some issues I ran into and I hope it helps someone out. This repair takes a while - plan on 2 hours or more! I did all my work in a cookie sheet with white paper on the bottom for contrast. It saved me from losing 1-2 screws. Magnetize your screwdriver. My flex cable needed a lot of careful bending to fit the contours needed to route within the phone. I forgot to fold the actual connector up before inserting the logic board, which meant it was hiding under the board, and I didn't notice until I had fully installed the board. This is easy to do on a new flex assembly because the connector want's to lie flat! On reassembly, I had success putting the mute button on the switch, then installing that combination first. Then the volume up/down, then the headphone jack. I placed small plastic shims on the case side and internal side of the headphone jack - for insulation. Part 1
Part 2: Also, there is a gold contact on the top of the headphone jack. There is a spring contact on the display assembly that contacts this - I had to bend my spring down a bit. If this contact is not good the symptom is you won't really be able to turn the headphone volume down low (it stays pretty loud), and you'll get a LOUD click when moving off minimum volume. Also, if you try the phone before fully assembling it keep in mind the "home" button won't work until the display is fully seated into the case.
Hi, -Yeasterday night i did it! Replacing iPhone 3GS Headphone Jack mission Completed!
advice: use a support to view better the screw.
use a 10x lens to help your view
make a sandwich falt cable as per original before put in place (can help and more easy)
bye Giampiero