Galaxy A71 FPC Repair

ID: 147124

Description: If the device does not charge, the problem is w...

Steps:

1. Initial problem: Samsung Galaxy A71 does not charge.
2. Connect the charger and press the phone as shown in the second image.

3. Warm the device to soften the adhesive.
4. Use plastic tools and isopropyl alcohol to separate the back cover.

5. Remove all silver Phillips screws.
6. Remove the SIM Tray.
7. Use a suitable plastic tool (opening pick, spudger,...) to remove the middle frame.

8. Disconnect the battery.
9. Connect the charger and measure the voltage at the two end pins. It should be ~5V.
10. If not, search for the problem at the charging board or the main flex cable.

11. Remove the black tape stuck around the connector.
12. Use a soldering iron, flux and tin wire to resolder the first pin of the FPC connector.
13. If the connector is broken, it's better to replace it.