Redmi Note 4 Global Display Replacement

Introdução

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

O que você precisa

Passo 1 Display

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Use a pin to remove the SIM & SD card

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Passo 2

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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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Passo 3

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

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Passo 4

Redmi Note 4 Global Display Replacement: passo 4, imagem 3 %32

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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Passo 5

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

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Passo 6

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

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Passo 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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Passo 8

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

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Passo 9

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

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Passo 10

Gently separate the side button bar from the frame

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Passo 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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Passo 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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Passo 13

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

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Passo 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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Passo 15 First Test

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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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Passo 16

Insert the upper speaker and press it into the end position

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Passo 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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Passo 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