Xiaomi Redmi Note 9S - Auxiliary board

Guide with all the necessary steps so that you can change the components of the Xiaomi Redmi Note 9S (M2003J6A1G) yourself.

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Tutorial: Step by step

Step 1 Heat application

First we apply heat to the back cover to soften the adhesive that holds it.

Step 2 Back case

We introduce a metal tool to make our way and then we introduce a plastic spike-type tool so as not to damage the casing and we separate it all around until it is completely detached.

Step 3 Intermediate housing

With a Phillips screwdriver (PH # 00) we extract the eleven screws indicated to separate the housing from the terminal with a thin plastic tool.

Step 4 We disconnect the battery

With a fine opening tool we disconnect the battery to work more safely.

Step 5 Speaker module

With a Phillips screwdriver (PH # 00), we extract the seven screws from the speaker module, and with a thin plastic tool we extract it from its housing.

Step 6 Flex interconexion

With a fine tool we disconnect the connections of the interconnection flex and the coaxial cable and remove it.

Step 7 Auxiliary board

With the help of a fine plastic tool from one corner we lift the auxiliary plate from its housing and extract it.

Video Tutorial summary

In this video you can watch a quick summary of the tutorial, but we recommend to follow the complete tutorial, with its explanations and detailed images.
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