In this repair guide, we’ll show you how to replace the charging port board on your Samsung Galaxy A16 5G.
Follow each step carefully, use the right tools, and you can complete this repair at home. Also this guide will help to fix issues with your bottom microphone issues too.

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Compatibility and Model Numbers

This repair guide based on Samsung Galaxy A16 5G mobile phone, but it is also compatible with Galaxy A16 4g model too.

Compatible Mode Numbers l SM-A166B, SM-A166B/DS, SM-A166P, SM-A166P/DS, SM-A166E, SM-A166E/DS, SM-A166W, SM-A166U, SM-A166U1, SM-A165F, SM-A165F/DS, SM-A165M, SM-A165M/DS, SM-A165F/DSB

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Tools You Need

• Heating pad / heat gun / hairdryer
• Suction cup
• Plastic card pry tools / opening picks
• Phillips PH00 screwdriver
• Adhesive (B7000 or double-sided back cover adhesive)
• Bonding clips or rubber bands (optional but recommended)

How to Find Tools and Parts

• Heating pad – https://amzn.to/3H0tHzJ
• Portable Heat Gun – https://amzn.to/4mszih1
• Clamps https://amzn.to/3GYJT4w
• STREBITO 142 Piece Repair Tool Kit https://amzn.to/3UO1jUx
• Glue | Adhesive https://amzn.to/46exVxe
• Compatible Parts https://amzn.to/4pOwJIM
• Silicone Work Repair Mat https://amzn.to/45Emz5l

Check How to use the Heating Pad to open the Back Cover

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Before You Start

• Power off the phone
• Remove the SIM tray
• Work on a clean, flat surface

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Step-by-Step Repair

1. Remove the Back Cover

1. Gently heat the edges of the back cover to soften the adhesive.
   • You can use a heating pad (Mobile Phone Heating mode)
   • Or a heat gun / hairdryer (do not overheat)
2. Use a suction cup at the bottom area to create a small gap.
3. Insert a plastic pry tool into the gap and slowly slide around the edges to separate the adhesive.
   • Take your time
   • Don’t insert the tool too deep
4. Once the adhesive is fully loosened, lift and remove the back cover.

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2. Open the Mid-frame

1. Confirm the SIM tray is removed.
2. Remove all 15 mid-frame screws.
3. Disconnect the fingerprint/power button plug.
4. Use a plastic pry tool to separate the mid-frame.
   • Work gently around the edges
   • Release all plastic clips
5. Disconnect the battery connector.

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3. Remove the Faulty Charging Port Board

1. Disconnect:
   • Both main flex cables
   • Antenna head
2. Remove the screw holding the charging port board.
3. Lift and remove the non-working charging port board from the frame.

While Changing the Charging Port Board, You Can Also Replace The Vibrator Motor and Loudspeaker.

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4. Install the New Charging Port Board

1. Place the new board in position.
2. Add the screw to secure it.
3. Reconnect:
   • Antenna head
   • Both main flex cables

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5. Reassemble the Phone

1. Reconnect the battery plug.
2. Place the mid-frame back and align the clips.
3. Tighten all 15 screws.
4. Secure the fingerprint/power button connector.
5. Reinsert the SIM tray.

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6. Install & Seal the Back Cover

Before installing the back cover, check if the adhesive is still strong.
If needed:

• Apply B7000 glue, or
• Use new back cover adhesive

Press the back cover firmly and use bonding clips.
If you don’t have clips, rubber bands also work.
Leave them for some time for proper bonding.

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 Frequently Asked Questions

1. How do I know my charging port board is faulty?

Common signs include

• Slow or no charging
• Cable connects loosely
• Phone charges only at certain angles
• USB connection not recognized

2. Is replacing the charging port board safe for beginners?

Yes — as long as you follow each step slowly and use the right tools.

3. Do I need to remove the battery to replace the charging port?

No, only disconnecting the battery plug is required.

4. Can I fix issues related to the microphone?

Yes, Galaxy a16 5g’s Main Microphone is located in the charging port board. If the receiver can’t hear your voice, issues with voice assistance, issues with recording voice, etc will fix by replacing the charging port board.

5. Will replacing the charging port erase my data?

No, this repair does not affect data.

Repair Complete

Your Samsung Galaxy A16 5G charging port board replacement is done.
If you have any questions, feel free to ask!

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Check Other Galaxy A16 5G Repair Guides