Samsung Galaxy A40 Charging Board Replacement

crwdns2931653:01crwdne2931653:0 Charging Dock / Charging Board



• The spare part: Daughter board with Charging port, Microphone, Main flex cable connector, display connector, 3G, 4G antennas
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crwdns2931653:02crwdne2931653:0 Remove the Back Cover




• Turn off the device by pressing and holding the small button on the right side. After a few seconds, press the Power Off button and wait until the device has completely shut off
• To soften the adhesive, use a heat gun or heating pad to warm up the device.
• Use a Spudger (Or playing card) , Suction Cup, and Isopropyl alcohol to separate the back cover.
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crwdns2931653:03crwdne2931653:0 Remove the Sim Card Tray/Fingerprint Sensor
• Be very careful when removing the ribbons in this step! Damaging the ribbons may cause parts of your phone to stop working
• Remove the SIM tray.
• Remove the plastic cover that covers the Fingerprint flex connector.
• Disconnect the Fingerprint Sensor.
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• Remove the 13 screws
• Remove the back cover
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• Disconnect the Main flex cable, Display flex cable and the Coaxial antenna cable.
• Remove the black screw securing the charging board.
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• Use Plastic tool to separate the charging board from the frame.
• Warm the charging board slightly to make it easier to disassemble.
• Now, install the new board and test the device.
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