Is your Samsung Galaxy A06 5G no longer charging properly or connecting to your PC? If you’ve tried different cables, chargers, or cleaning the port without success, the problem likely lies in the charging port board itself.
This blog will walk you through:
- What the charging port board includes
- Compatibility details (model A066 / 2025)
- Symptoms of a faulty charging board
- Tools required
- Step-by-step replacement guide
- Pro repair tips
What is the Charging Port Board?
The charging port board, also known as a sub-board or dock connector board, is a small circuit board at the bottom of your Galaxy A06 5G that handles:
- USB Type-C port (charging & data)
- Microphone input
- Soft key/button connections
- Vibration motor connection (in some models)
Replacing the charging port board often solves issues like:
- Phone not charging or slow charging
- PC not detecting the device
- USB cable fits loosely
- No microphone sound during calls
Compatibility: Samsung Galaxy A06 5G (A066 / 2025)
Make sure your phone model matches:
- Model Number: SM-A066B, SM-A066B/DS
- Release Year: 2025
- Device Name: Galaxy A06 5G
To confirm your model:
- Go to Settings > About Phone
- Check the Model Number
Tools You’ll Need
Before starting, gather these tools:
- SIM ejector tool
- Phillips screwdriver (#00)
- Plastic pry tool / spudger
- Tweezers
- Heat gun or hairdryer
- Suction cup tool (optional)
- Anti-static wrist strap (recommended)
Step-by-Step Charging Port Board Replacement
Disclaimer: Attempting repairs may void your warranty. Proceed with caution and only if you’re comfortable handling small components.
Step 1: Power Off and Remove SIM Tray
- Turn off the phone completely.
- Eject the SIM card tray using the SIM ejector pin.
Step 2: Remove the Back Cover
- Gently heat the edges of the back cover using a heat gun or hairdryer.
- Use a plastic pry tool to separate the back cover from the frame. Avoid using metal tools to prevent scratching or damage.
Step 3: Unscrew and Remove the Midframe
- Use a Phillips screwdriver to remove all visible screws from the plastic midframe.
- Gently lift the midframe out, revealing the internal components.
Step 4: Disconnect the Battery
- Use a spudger to disconnect the battery flex cable before working on any other components.
Step 5: Locate and Remove the Charging Port Board
- The sub-board is located at the bottom of the phone.
- Disconnect the antenna cable and the flex cable connecting the charging board to the motherboard.
- Unscrew and gently lift the charging board out of its position.
Step 6: Install the New Charging Port Board
- Place the new charging port board into position.
- Reconnect the flex cable and antenna cable.
- Secure the board with screws if applicable.
Step 7: Reconnect Battery and Reassemble
- Reconnect the battery.
- Place the midframe back and screw it in.
- Snap the back cover into place or reapply adhesive if needed.
Step 8: Power On and Test
Turn on the phone and check the following:
- Phone charges with a USB-C cable
- Phone connects to PC or laptop
- Microphone works during calls
- No errors or loose connections
Where to Buy the Charging Port Board
You can find replacement boards from:
- Amazon
- Repair part distributors (e.g., Witrigs, MobileSentrix)
Tip: Make sure the part description includes compatibility with A066 (2025) and includes the microphone and Type-C port.
Pro Tips for Success
- Use a magnetic mat to keep track of screws.
- Avoid pulling or yanking cables—use tweezers or spudgers gently.
- If unsure, record your disassembly steps so you can retrace them during reassembly.
- Test everything before sealing the phone back up.
When to Seek Professional Help
If you’re not comfortable opening your device or don’t have the tools, consider:
- Buying the part online and taking it to a local repair shop
- Asking about labor-only repair services to reduce costs
Conclusion
Replacing the charging port board on the Samsung Galaxy A06 5G (A066 / 2025) can fix charging issues, USB connectivity problems, and microphone failures often for under $15. With a bit of patience and the right tools, this is a manageable DIY repair that can save you both time and money.
Got questions about the process or where to buy parts? Drop a comment below and we’ll help you out!