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SUB Main Signal Antenna Flex Cable Motherboard for Samsung Galaxy S20 Ultra 5G SM-G988U SM-G988B
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SUB Main Signal Antenna Flex Cable Motherboard for Samsung Galaxy S20 Ultra 5G SM-G988U SM-G988B
SUB Main Signal Antenna Flex Cable Motherboard for Samsung Galaxy S20 Ultra 5G SM-G988U SM-G988B
Item #: 104770078

SUB Main Signal Antenna Flex Cable Motherboard for Samsung Galaxy S20 Ultra 5G SM-G988U SM-G988B

Item #: 104770078

ETB 2520

Price Details

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*All items will import from US

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Order now and get it around Monday, July 13
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What Stands Out

Custom Fit
Designed specifically for Samsung Galaxy S20 Ultra 5G, ensuring perfect compatibility and seamless installation without interference.
High Signal Strength
Enhances signal reception and transmission, addressing common connectivity issues experienced with standard antennas, offering improved performance.
Durable Build
Constructed from high-quality materials for longevity, resisting wear and tear, thereby providing reliable performance over time and added value.

Product Details

Shop SUB Main Signal Antenna Flex Cable Motherboard for Samsung Galaxy S20 Ultra 5G SM-G988U SM-G988B online at a best price in Ethiopia. B0D4C4PN2L
Item Weight0.1 lbs (50 grams)

Who Should Buy?

Suitable For
  • DIY Repair Enthusiasts

    Ideal for users who prefer repairing their own phones and need high-quality replacement parts.

  • Signal Quality Seekers

    Perfect for those experiencing connectivity issues with their Galaxy S20 Ultra 5G and needing to restore signal strength.

  • Professional Technicians

    Beneficial for repair shops that specialize in Samsung devices and need reliable components for repairs.

Not Suitable For
  • Casual Users

    Not suitable for everyday users who do not encounter signal issues or are not technically inclined.

  • Budget-Conscious Buyers

    May not fit users looking for the cheapest option over quality, as this part is a premium replacement.

  • Non-Samsung Users

    Unfit for individuals with other smartphone brands as it is specifically designed for Samsung Galaxy S20 Ultra models.

Product Description

SUB Main Signal Antenna Flex Cable Motherboard for Samsung Galaxy S20 Ultra 5G SM-G988U SM-G988B

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the purpose of the SUB Main Signal Antenna Flex Cable for the Samsung Galaxy S20 Ultra 5G?

    Answer: The SUB Main Signal Antenna Flex Cable is essential for ensuring proper signal reception on your Samsung Galaxy S20 Ultra 5G. It connects the antenna to the motherboard, facilitating communication with cellular networks and enhancing overall performance. Without a functional cable, users may experience weak signals, dropped calls, and compromised data speeds, which are crucial for a seamless mobile experience.
  • Question: How do I know if my Samsung Galaxy S20 Ultra 5G needs a new SUB Main Signal Antenna Flex Cable?

    Answer: Signs that your device may need a new SUB Main Signal Antenna Flex Cable include persistent connectivity issues, such as inconsistent signals, failure to connect to Wi-Fi or mobile data, and sudden drops in call quality. If you've tried software resets and settings adjustments with no improvement, it’s likely a hardware issue requiring cable replacement to restore optimal functionality.
  • Question: Can I install the SUB Main Signal Antenna Flex Cable myself?

    Answer: Yes, technically savvy users can install the SUB Main Signal Antenna Flex Cable themselves, provided they have the right tools and take necessary precautions. It requires disassembling the device, so understanding the assembly process of the Samsung Galaxy S20 Ultra 5G is crucial. If you are comfortable with electronics repair, following online tutorials can guide you through the installation effectively.
  • Question: What are the common issues that can arise from a faulty SUB Main Signal Antenna Flex Cable?

    Answer: A faulty SUB Main Signal Antenna Flex Cable can lead to several problems including poor call quality, weak data connection, rapid battery drain, and intermittent signal drops. These issues can become frustrating as they interfere with day-to-day communication and online activities. Addressing these symptoms promptly can prevent further damage to related components of your device.
  • Question: What should I look for when buying a SUB Main Signal Antenna Flex Cable for my Galaxy S20 Ultra 5G?

    Answer: When purchasing a SUB Main Signal Antenna Flex Cable, focus on compatibility with your specific model, which in this case is the Samsung Galaxy S20 Ultra 5G (SM-G988U, SM-G988B). Ensure that the product comes from reputable manufacturers, and check for high-quality materials that support durability and performance. Reading customer reviews can also provide insights into the reliability of the cable.
  • Question: Is it safe to use third-party SUB Main Signal Antenna Flex Cables?

    Answer: Using third-party SUB Main Signal Antenna Flex Cables can be safe, but it’s imperative to choose well-known brands with positive customer feedback. High-quality third-party options can perform as well as original components. However, inferior products may cause compatibility issues or could even damage your smartphone, so thorough research is essential before making a purchase.
  • Question: What tools do I need to replace the SUB Main Signal Antenna Flex Cable on a Galaxy S20 Ultra 5G?

    Answer: To replace the SUB Main Signal Antenna Flex Cable, you'll require a precision screwdriver set, spudger, tweezers, and possibly a heat gun or hairdryer to soften adhesive. Creating a designated workspace and having organization tools will also ensure that your repair process is smooth and nothing is misplaced. Following a detailed guide can also be helpful during the replacement.
  • Question: How long does it take to replace the SUB Main Signal Antenna Flex Cable?

    Answer: Replacing the SUB Main Signal Antenna Flex Cable typically takes about 30 minutes to one hour, depending on your experience with smartphone repairs. This time frame allows for careful disassembly and reassembly of the device, which is crucial to prevent accidental damage. Allow extra time if you're doing it for the first time, as being meticulous will yield better results.
  • Question: Will replacing the SUB Main Signal Antenna Flex Cable improve overall phone performance?

    Answer: Yes, replacing a damaged SUB Main Signal Antenna Flex Cable can lead to a significant improvement in your phone's overall performance. Users often report better call clarity, stronger signals, and faster data speeds once the cable is replaced, restoring their device to its intended operation level. Enhanced connectivity can also lead to better battery longevity as the device won't struggle to maintain a connection.
  • Question: Where can I buy the SUB Main Signal Antenna Flex Cable for Samsung Galaxy S20 Ultra 5G in Ethiopia?

    Answer: You can buy the SUB Main Signal Antenna Flex Cable for the Samsung Galaxy S20 Ultra 5G from Ubuy. They offer a convenient shopping experience with a wide selection of smartphone parts, ensuring you can find the specific model you need for your device repair. Ubuy is known for reliable service, making it a go-to choice for electronic component purchases in Ethiopia.

XINJUNKENG Flex Cables Editorial Review

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MT
Mohd
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“The product received very good packaging & safe…Thank You”

16 June 2026 · via Trustpilot
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Shawati
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“Accurate delivery timing given”

16 June 2026 · via Trustpilot
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“Not madly expensive like I thought, and much quicker than promised.”

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6/7/2026 · via Trustpilot
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“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”

12 June 2026 · via Trustpilot
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ETB 2520

Order now and get it around Monday, July 13

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