Xiaomi Mi 4cXiaomi Mobile Phone

Xiaomi Mi 4c Teardown

In this guide, I’ll explain how to disassemble Xiaomi Mi 4c to remove the back cover, battery, camera, middle frame and motherboard. Refer to this guide. You can repair and clean your Xiaomi Mi4c.

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Remove the SIM card trays.

Remove the back cover with your fingernails.

Remove all screws securing the middle frame.
Pry up and remove the middle frame.

Disconnect the battery connector from the motherboard.
Remove the battery.

Xiaomi Mi 4c comes with a 3.84V, 3080mah Li-polymer battery.

Xiaomi Mi 4c’s motherboard, all the chips were covered by metal shields.

Remove the metal shield. You can see the Qualcomm QCA6174A Wi-Fi chip.

1. SK Hynix 3GB RAM
2. Toshiba 32GB ROM
3. Qualcomm PM8994 power management chip
4. Qualcomm Snapdragon 808 processor

Type-C USB 2.0 port

Xiaomi Mi 4c’s earpiece module

5MP front camera and 13MP rear camera

For more guides, check out the Xiaomi Mi4c device page.

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9 Comments

  1. Hello!
    I recently replaced the screen on my Mi4c, and now the backlight for the menu capactitive button is in the wrong position. It’s about a centimeter above where it should be, and can be seen through the screen.

    Does anybody know how to find this light, and get it back to the correct position?

    Thank you!

  2. Hello,
    I know it’s an old treat, but after having a new screen to replace, bought 3-4 years ago, I finally had the motivation to start a replacement. It was totally broken screen with loose glass pieces, even the plastic around the volume and on off button was broken one side.

    No, I did 2 hours of work to replace the screen, in the beginning with opening and unscrew/undo MB of the device, a small white rubber (seems something from button-push peace) fell on the table. I cannot find any information where it comes from.

    Does someone please know what I mean and know what it is and where it needs to sit in the frame?

    Thank you very much.

    I’m closing it, hopefully, it works without it. Fingers crossed, I’m scared to disassemble all again to get under MB.

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