For Samsung Galaxy S21 Ultra 5G G998 Replacement Antenna Connection Cable (2) The Repair Plus
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Discount applies at checkout on any mix of parts — ideal for repair shops.
Estimated delivery · Royal Mail Tracked 482–3 working days
- Order placedToday
- DispatchedSame day
- At your door2–3 days
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Phone parts are delicate. We recommend fitting by a qualified repair technician — damage caused during fitting is not a product fault. Need help choosing the right part? Call 07425 443625 or email info@therepairplus.com (Mon–Fri 10:00–18:00). Repair shop? Open a trade account.
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The Repair Plus antenna connection cable pack of 2 for Samsung Galaxy S21 Ultra 5G (G998) gives you two brand new signal cables to fix weak mobile signal, dropped calls or patchy data caused by a damaged or pinched antenna lead. Made to OEM standard and shipped the same day from Manchester when you order before 4pm, Monday to Friday.
Key features
- Pack of two: two replacement cables in one order, handy for a spare or for repair shops doing more than one S21 Ultra.
- Restores the signal path: replaces the thin lead that links the main board to the antenna sections of the phone.
- Model-specific length: cut and terminated to suit the Galaxy S21 Ultra 5G G998 layout, so it routes without strain.
- Snap-on connectors: small press-fit ends clip onto the board sockets, no soldering needed.
- Tested before dispatch: each pack is checked before it leaves our Manchester stock room.
Specifications
| Part | Antenna connection cable (coaxial signal lead) |
|---|---|
| Pack quantity | 2 cables |
| Compatible model(s) | Samsung Galaxy S21 Ultra 5G (G998) |
| Condition | Brand new |
| Quality | OEM standard |
| Dispatch | Same day before 4pm, Monday to Friday, from Manchester, UK |
| Returns | 30 days |
Compatibility
Fits the Samsung Galaxy S21 Ultra 5G (G998, including G998B). It is not made for the Galaxy S21 (G991) or Galaxy S21+ (G996), which have a different internal layout. Check your model number in Settings > About phone before ordering.
How to fit an antenna cable
You will need to remove the back glass with gentle heat and a pry tool, then lift the wireless charging coil and board shields to reach the cable. Unclip the old lead from both sockets with a plastic spudger, lay the new one in the same channel and press each end down until it clicks. Test calls and mobile data before sealing the back with fresh adhesive.
Why buy from The Repair Plus
- Same-day dispatch when you order before 4pm, Monday to Friday.
- UK stock, shipped from Manchester.
- Every part tested before dispatch.
- 30-day returns.
- Trusted by DIY repairers and independent repair shops.
Frequently asked questions
Why are there two cables in the pack?
The pack gives you a spare, which is useful if a connector is damaged during fitting or if you repair more than one Galaxy S21 Ultra.
Will this fix no signal on my S21 Ultra?
It fixes signal faults caused by a broken, loose or pinched antenna cable. If the fault is on the main board or SIM reader, a new cable will not solve it.
Does it fit the Galaxy S21+?
No. This cable is for the Galaxy S21 Ultra 5G G998 only.
How quickly will it be sent?
Orders placed before 4pm, Monday to Friday, leave Manchester the same day.
