In this repair guide, we’ll show you how to replace the antenna signal connector cable on your Samsung Galaxy A16 5G.
Follow the steps carefully and use the proper tools for a safe and successful repair.

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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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Before You Begin

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

Step 1 — Prepare Your Tools

You will need proper tools to open the device. All the required tools are listed in the description below.

Before You Begin

Required Tools

• 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

How to Select the Best Tools for the Repair

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Step-by-Step Repair

1. Remove the Back Cover

1. Heat the edges of the back cover to soften the adhesive.
   • Use a heating pad (Mobile Phone Heating option)
   • 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 and slide around the edges to loosen the adhesive.
   • Take your time
   • Keep the tool shallow to avoid internal damage
4. Once the adhesive is free, gently lift and remove the back cover.

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2. Open the Mid-frame

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

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3. Remove the Faulty Antenna Cable

1. Disconnect the antenna heads from both:
   • The logic board
   • The charging port board
2. Gently lift and pull the antenna cable through the frame path.

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4. Install the New Antenna

1. Place the new antenna cable properly along the frame path.
2. Connect both ends:
   • Logic board side
   • Charging port board side

Ensure both antenna heads snap in cleanly.

If Your Galaxy A16 Battery is Draining fast, here is the Solution

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5. Reassemble the Phone

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

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6. Seal the Back Cover

Check if the adhesive is still strong.
If not, apply B7000 glue or fresh double-sided back cover adhesive.

Press the cover firmly and use:

• Bonding clips
• Or rubber bands (even pressure)

Let it sit for proper bonding.

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Repair Completed

Your Samsung Galaxy A16 5G antenna replacement is complete.
If you need help or have questions, feel free to ask!

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 Frequently Asked Questions

1. What are the signs of a faulty antenna cable?

• Weak network signal
• No signal in certain areas
• Slow mobile data
• Drops in Wi-Fi or mobile connection

2. Can I replace the antenna without removing the battery?

Yes — you only need to disconnect the battery, not remove it.

3. Will replacing the antenna delete my data?

No. This repair does not affect internal storage.

4. Can I use glue instead of original adhesive?

Yes — B7000 glue works well, or you can use a premade adhesive sticker.

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Check the Repair Guides For Samsung Galaxy A15 Series