For Samsung Galaxy S21 5G SM-G991 OEM Standard LCD Flex Cable
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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 LCD flex cable for Samsung Galaxy S21 5G (SM-G991) is a brand new, OEM standard display flex that connects the Galaxy S21 5G main board to its AMOLED screen. It fixes flickering, green or purple lines, a blank display and intermittent picture caused by a damaged cable, and is shipped the same day from Manchester when you order before 4pm, Monday to Friday.
Key features
- OEM standard fit: made for the Galaxy S21 5G SM-G991 connector layout.
- Fixes display faults: clears lines, flicker and blackouts when the cable is at fault.
- Stable signal: restores a reliable link between the main board and the AMOLED panel.
- Tested before dispatch: every flex is checked before packing.
- Low-cost repair: saves replacing an expensive screen that still works.
Specifications
| Part | LCD / display flex cable |
|---|---|
| Compatible model | Samsung Galaxy S21 5G SM-G991 |
| 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 5G SM-G991. It does not fit the Galaxy S21+ (G996), S21 Ultra (G998) or S21 FE. Check your model number in Settings > About phone before ordering.
Cable or screen?
Green or purple lines that come and go, or change when you press the back of the phone, often point to the flex. Lines that stay fixed after a drop usually mean the OLED panel itself is damaged. Try reseating the connector first, then fit the new flex if the fault stays.
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
Does this fit the S21+ or S21 Ultra?
No. It is for the standard Galaxy S21 5G SM-G991 only.
Will this fix green lines on my S21?
If the lines come from the cable, yes. Permanent lines after impact usually need a new screen.
Is it OLED compatible?
Yes. The S21 uses an AMOLED screen and this flex carries its signal.
When will it ship?
Same day from Manchester for orders before 4pm, Monday to Friday.
