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Xiaomi Mi 4 Motherboard Replacement

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  1. Xiaomi Mi 4 Motherboard Replacement, Rear Case/Midframe: 步骤 1 中的图像 1,3 Xiaomi Mi 4 Motherboard Replacement, Rear Case/Midframe: 步骤 1 中的图像 2,3 Xiaomi Mi 4 Motherboard Replacement, Rear Case/Midframe: 步骤 1 中的图像 3,3
    • Check to make sure that the device is powered off.

    • Use a pin or paper clip to insert in the hole on the side of the phone next to the micro SIM cardholder to remove the tray.

    • Remove the SIM card tray from the Xiaomi Mi 4 and store it somewhere safe.

  2. Xiaomi Mi 4 Motherboard Replacement: 步骤 2 中的图像 1,3 Xiaomi Mi 4 Motherboard Replacement: 步骤 2 中的图像 2,3 Xiaomi Mi 4 Motherboard Replacement: 步骤 2 中的图像 3,3
    在这个步骤中使用的工具:
    Metal Spudger
    $2.99
    购买
    • Using the flat metal spudger and curved metal spudger, make a wedge between the plastic back cover and the inner frame

    • Using the second spudger, slowly work your way around the perimeter of the device

    • Listen for clicking sounds as you are prying the back cover away from the frame

    • As the back cover is almost completely removed, use the suction-cup tool to remove the plastic cover without damaging the back

  3. Xiaomi Mi 4 Motherboard Replacement: 步骤 3 中的图像 1,3 Xiaomi Mi 4 Motherboard Replacement: 步骤 3 中的图像 2,3 Xiaomi Mi 4 Motherboard Replacement: 步骤 3 中的图像 3,3
    • Use a 000 phillips head screwdriver to remove the 10 1.2mm phillips head screws in the plastic frame that hold the motherboard and battery.

    • Use a 000 phillips head screwdriver to remove the 3 0.5mm phillips head screws in the plastic frame that hold the motherboard and battery.

    • Use the small plastic opening tool and place it in the slot on the bottom right corner of the inner frame and carefully pry it off.

  4. Xiaomi Mi 4 Motherboard Replacement, Battery: 步骤 4 中的图像 1,3 Xiaomi Mi 4 Motherboard Replacement, Battery: 步骤 4 中的图像 2,3 Xiaomi Mi 4 Motherboard Replacement, Battery: 步骤 4 中的图像 3,3
    • Use tweezers to gently disconnect the connections that run across the battery and are connected to the motherboard.

    • Proceed to gently remove the tape like connector from the battery until it is completely off.

    • Use tweezer to disconnect battery’s wire from the motherboard.

  5. Xiaomi Mi 4 Motherboard Replacement: 步骤 5 中的图像 1,2 Xiaomi Mi 4 Motherboard Replacement: 步骤 5 中的图像 2,2
    • Use the plastic opening tool to gently pry the battery out of its casing for removal.

  6. Xiaomi Mi 4 Motherboard Replacement, Motherboard: 步骤 6 中的图像 1,1
    • With the battery removed locate the left-hand cable connected to the motherboard. With the tweezers, firmly grasp the wires of the connector and gently disconnect the cable from the motherboard.

    • Find the other cable connecting the motherboard to the device at the top right-hand side of the phone, and carefully use the tweezers to remove that as well.

  7. Xiaomi Mi 4 Motherboard Replacement: 步骤 7 中的图像 1,2 Xiaomi Mi 4 Motherboard Replacement: 步骤 7 中的图像 2,2
    • Wedge the plastic opening tool, between the motherboard and the inner region of the phone in the slot atop the motherboard.

结论

To reassemble your device, follow these instructions in reverse order.

28等其他人完成本指南。

团队

USF Tampa, Team 15-6, Blackwell Fall 2015 USF Tampa, Team 15-6, Blackwell Fall 2015 的会员

USFT-BLACKWELL-F15S15G6

2 名成员

创作了10篇指南

9条评论

Ruined my motherboard to Xiaomi mi4c, do you know where can I buy?

Milos Milos - 回复

I have broken one of the cable connections on the motherboard ( top one in Step 6). Do you know where I can buy a new motherboard?

Ben Dungey - 回复

you can buy the motherboard on taobao.com

Dong Zhengyue -

sim card reader is damaged. Do I need to have whole motherboard replaced

Shravan - 回复

sir i need MI4I motherboard unable to find elsewhere

Mobile # 09060907775

Thalanki Balaji - 回复

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