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iPhone 4 主板更换

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Translating step 7

Step 7
iPhone 4 Logic Board Replacement: step 0, image 1 of 1

  • Remove the following five screws securing the Wi-Fi antenna to the logic board:

  • One 2.3 mm Phillips

  • Two 1.6 mm Phillips

  • One 1.4 mm Phillips

  • One 4.8 mm Phillips

  • When re-assembling, start off with replacing the 4.8 mm Philips screw first, then the 2.3 mm. This is to ensure there is no mix-up, and avoid rendering the LCD and digitizer useless.

  • Also make sure to put the long 4.8 mm Philips back in correctly when reassembling. This is the ground for the Wi-Fi antenna and is often the culprit if you are having bad Wi-Fi reception after reassembly.

松开把WiFi天线固定在主板上的5颗螺丝：

1颗2.3mm飞利浦螺丝

2颗1.6mm飞利浦螺丝

1颗1.4mm飞利浦螺丝

1颗4.8mm飞利浦螺丝

重组机器时最先拧4.8mm飞利浦螺丝然后拧2.3mm飞利浦螺丝。这样可以确保不会混淆，避免打穿损坏LCD显示屏和触摸板。

重装机器时确保长的4.8mm飞利浦螺丝装回到正确的位置。这颗螺丝是WiFi天线的接地线，是引起WiFi信号差的元凶在重装机器后。

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