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If the device does not charge, the problem is with:
- Charging board
- Main flex cable
- Motherboard
In this manual, we will show you how to fix your device if the problem is with the Motherboard FPC connector.
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Samsung Galaxy A71 does not charge.
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Connect the charger and press the phone as per the second image.
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Warm the device to soften the adhesive.
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Use plastic tools and isopropyl alcohol to separate the back cover.
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Remove all silver Phillips screws.
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Remove the SIM Tray.
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Use a suitable plastic tool to remove the middle frame.
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Disconnect the battery.
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Connect the charger and measure the voltage at the two end pins. It should be ~5V.
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If not, search for the problem at the charging board or the main flex cable.
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Remove the black tape stuck around the connector.
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Use a soldering iron, flux and tin wire to resolder the first pin of the FPC connector.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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Good morning. My A71 screen is blinking on and off black screen. What can I do to fix it? Also when I'm attempting to type in any chat I have to press down really hard to get the letters on the screen? As my phone heats up it goes black,if I'm in a room that has AC units it remains on for a longer period of time.
