Product details
The Samsung Galaxy S21 Ultra’s curved display controls everything from touch navigation and fingerprint authentication to videos, gaming and S Pen input. Cracks, display lines, black patches or failed touch response can therefore make an otherwise functional phone difficult to use.
Samsung originally designed the S21 Ultra with a 6.8-inch Edge Quad HD+ Dynamic AMOLED 2X display, a resolution of 3200 × 1440 pixels and an adaptive refresh rate of 10–120Hz. These specifications are confirmed by the official Samsung Galaxy S21 Ultra announcement.
Samsung S21 Ultra Screen Replacement Price in Kenya
The Samsung Galaxy S21 Ultra screen replacement price in Kenya is KSh 30,000 at Ringgs Phone Store. Contact us with the phone’s exact model before visiting so we can confirm compatibility and screen availability.
The S21, S21 Plus and S21 Ultra use different display assemblies. The S21 Ultra belongs to the SM-G998 model family, although the final letters and numbers vary according to market, network and storage configuration.
Problems This Screen Replacement Can Resolve
A Samsung S21 Ultra screen replacement may be necessary when the phone has:
- Cracked or shattered front glass
- Green, pink or white display lines
- Black spots or spreading ink-like patches
- A completely black screen
- Flickering or abnormal brightness
- Missing or distorted colours
- Unresponsive areas of the touchscreen
- Ghost touches or unintended commands
- Damage around the curved display edges
- A screen separating from the phone frame
A black or unresponsive display does not always mean the screen itself has failed. Battery, connector, liquid-damage and motherboard faults can cause similar symptoms, so diagnosis may be necessary before replacement.
Complete S21 Ultra Display Replacement
Damage extending beyond the outer glass often requires replacement of the complete display assembly. This may include the display panel, touch digitizer and front glass as a combined unit, depending on the available replacement option.
Customers should confirm the supplied screen type before repair. Display quality can affect colour, brightness, touch response, refresh-rate performance, fingerprint recognition and S Pen input.
Display and Touch Testing
After installation, the repaired Samsung S21 Ultra should be tested for:
- Image clarity and uniform brightness
- Touch response across the entire screen
- Dead pixels, lines and discolouration
- Adaptive refresh-rate operation
- Fingerprint-sensor response
- S Pen input across the display
- Front camera visibility
- Proximity and ambient-light sensing
- Secure fitting around the frame and curved edges
Test the principal screen functions before leaving the shop and report any concern immediately.
How Long Does S21 Ultra Screen Replacement Take?
Most Samsung Galaxy S21 Ultra screen replacements are completed within one hour when the correct screen is in stock and the phone has no additional internal or structural damage.
A bent frame, damaged connector, liquid exposure or motherboard fault can increase the repair time.
Visit Ringgs Phone Store in Nairobi CBD
Get Samsung Galaxy S21 Ultra screen replacement in Nairobi at Ringgs Phone Store, also known as Samsung Supreme.
Location: St. Ellis House, City Hall Way, opposite the Supreme Court, Nairobi CBD
Call or WhatsApp: 0724 000144
Contact us before visiting to confirm the screen option, current price and expected repair time.
Explore More Samsung Phones and Repair Services
Explore our complete S21 Ultra Screen Replacement range, compare Samsung Galaxy battery replacement services, or browse the latest Samsung smartphones in Kenya at Ringgs Phone Store.
Frequently Asked Questions
1. How much is the Samsung S21 Ultra screen replacement in Kenya?
The Samsung Galaxy S21 Ultra screen replacement price is KSh 30,000 at Ringgs Phone Store in Nairobi CBD.
2. How long does the screen replacement take?
Most S21 Ultra screen replacements are completed within one hour when the correct screen is available and the phone has no additional damage.
3. Can you replace an S21 Ultra screen with green lines?
Yes. Green, pink or white lines commonly indicate damage or failure within the display panel. The phone should be inspected to confirm that complete screen replacement is the appropriate repair.
4. Can you repair an S21 Ultra with a black screen?
Yes, if the black screen is caused by a damaged display. Diagnosis is recommended because battery, display-connector and motherboard faults can cause similar symptoms.
Will the fingerprint sensor work after screen replacement?
The fingerprint sensor should be tested after installation. Its performance depends on the replacement-screen type, correct fitting and condition of the sensor.
5. Will the S Pen work on the replacement screen?
S Pen input should be tested across the entire display after replacement. Performance can vary according to the compatibility and quality of the installed screen.
5. Is the S21 Ultra screen the same as the S21 or S21 Plus screen?
No. The Galaxy S21, S21 Plus and S21 Ultra use different screen sizes and display assemblies. Confirm the exact model before purchasing or booking a replacement.
6. Do I need to book before visiting?
Walk-ins can visit, but calling or messaging first allows us to confirm screen availability and the expected repair time.




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