Xiaomi Mi A3 - Fullscreen

Guide with all the necessary steps for you to change the Xiaomi Mi A3 components (M1906F9SH) yourself

Difficulty
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Tutorial: Step by step

Step 1 Back case

We apply heat to the housing to soften the adhesive, and with the help of a thin metal tool we introduce it between the back cover and the phone, and now we will introduce a plastic pick with which it will be less likely to scratch the terminal and take it off.

Step 2 Components

Unscrew the eleven Phillips screws (PH # 00) that hold the plastic protector, remove it to access the battery connector.

Step 3 Disconnect battery

With the help of a thin plastic tool, we release the battery connector.

Step 4 front camera

With the help of a thin tool, we release the protective sticker from the camera, then release the camera connector with a thin plastic tool, and remove it from its housing.

Step 5 Rear cameras

With a fine plastic tool, we release the three connectors from the cameras and proceed to remove them from their housing.

Step 6 Speaker Module

We remove the seven Phillips screws (PH # 00) that hold the speaker module, once the screws are removed, with a thin plastic tool we lift it by prying

Step 7 Auxiliary board

To remove the auxiliary plate, we will use a fine plastic tool, with it we will release the three connectors that we have and the coaxial cable once loose, we lift the flex by the base making a lever until it is removed from its housing.

Step 8 Fingerprint reader

With the help of a thin metal tool, we introduce it between the phone's chassis and the fingerprint reader, and thus we take off the component by doing a little lever.

Step 9 Base plate

With the help of a thin plastic tool, we release the flexes that are connected to the motherboard, once removed, we will release the necessary components for the extraction, as well as the sim tray and the coaxial cable, with the help of a thin tool we proceed to pry the base plate to remove it from its housing.

Step 10 Handset

With a thin metal tool, we introduce it between the handset and the phone's chassis, with a slight lever we will extract it from its housing.

Step 11 Battery

With a thin tool we lift the adhesive to pull it with antistatic tweezers to remove the adhesive from under the battery, after removing the adhesive introduce a thin plastic tool and gently pry until the battery is completely removed.

Step 12 Side Push Buttons

With a thin metal tool, we extract the protective plastic from the pushbuttons by prying as in the image, then we take off the flex of the pushbuttons and the pushbuttons with a fine metal tool and remove them.

Step 13 Vibrator

Helping us with a thin metal tool, we take off the vibrator at its bottom as if it were the flex, and with the help of a clamping tool we remove it from its housing.

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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