Redmi Note 4 Global Display Replacement

はじめに

Screen and / or digitizer are broken but the rest of the phone is still fully functional.

必要な工具と部品

手順1 Display

Redmi Note 4 Global Display Replacement, Display: 手順 1、 2の画像 1

Redmi Note 4 Global Display Replacement, Display: 手順 1、 2の画像 2

Use a pin to remove the SIM & SD card

翻訳

手順2

Redmi Note 4 Global Display Replacement: 手順 2、 3の画像 3

With the help of a silicone spatula or similar opening tool, press gently into the separation between housing and screen
Gently pry the frame away from the screen .

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手順3

Disconnect the rest of all the connectors. (Image shows fingerprint scanner connector already removed)

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手順4

Redmi Note 4 Global Display Replacement: 手順 4、 3の画像 3

First disconnect the connector for the fingerprint scanner
Then carefully pry the scanner (it is adhered to the board )
Preheating the scanner area with a hair dryer can help

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手順5

Remove all Phillips screws screws eg with a #00 Phillips driver

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手順6

Remove the rest of the screws
Gently pry off the plastic covers

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手順7

Remove the plastic cover from the top of the phone
Gentle prying may be help to loosen it.
Remove the screw hidden under the cover.

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手順8

Move the plastic tab to the side to remove the main board

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手順9

Disconnect the ribbon cable
Remove the screw.
Carefully remove the circuit board

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手順10

Gently separate the side button bar from the frame

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手順11

Remove the upper speaker
Caution: When removing the speaker, the two parts of the speaker can separate from each other. They are only held together by two very thin copper cables!
The best way to get to the bottom of the speaker and pry it out carefully is by using the direction of the red arrow.

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手順12

Peel off the two battery adhesive strips to remove the battery
Pull as flat as possible and rather slowly. Heating the display with a hair dryer makes the whole thing a little easier.

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手順13

Disconnect the ribbon cable for the charging board. Keep it safe for later reuse.

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手順14

Depending on the completeness of the replacement part, the LED lighting may also be removed
T o remove it, gently pry with some pointed tweezers or similar tool

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手順15 First Test

Redmi Note 4 Global Display Replacement, First Test: 手順 15、 2の画像 1

Redmi Note 4 Global Display Replacement, First Test: 手順 15、 2の画像 2

For testing purposes, the button bar, the screen and the battery can be connected.
Attention! When doing so, there is an increased risk of damaging the connections or the battery. Be very careful!
A long press on the bottom button should start the phone

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手順16

Insert the upper speaker and press it into the end position

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手順17

If previously removed, insert the LED bar (red circle)
Insert the charging board into proper position and tighten (blue circle)

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手順18

Remove the blue protective strip from the corresponding adhesive surface. Insert the ribbon cable into the power supply
Press the cable flat onto the adhesive area
Ensure everything is properly aligned