Einführung
This manual provides instructions for the installation and use of the AGCUT LCD Display Touch Screen Digitizer Replacement Assembly for the Oppo Reno8 4G smartphone. Please read all instructions carefully before proceeding with installation to ensure proper handling and functionality.
Packungsinhalt
Bitte überprüfen Sie, ob alle unten aufgeführten Artikel in Ihrem Paket enthalten sind.
- 1x Oppo Reno8 4G LCD Screen Touch Screen Digitizer Replacement Kit
- 1x Anti-falling Omnidirectional Tempered Film for Oppo Reno8 4G LCD Screen
- 1x Dust Removal Sticker
- 1x Klebeband
- 1x Set of Special Removal Tools for Oppo Reno8 4G Screen (3 screwdrivers, 1x plastic dredger, 2x blue open shell fragments, 1x Card Pin, 1x suction cup)

This image illustrates the components included in the AGCUT Oppo Reno8 4G LCD screen replacement kit.
Important Precautions and Safety Information
This screen replacement is a delicate component. Handle with care to avoid damage.
- The screen replacement for Oppo Reno8 4G is made of glass and is fragile.
- Do not remove protective film or labels before testing the screen.
- Be aware of static electricity issues during handling and installation.
- Do not bend the flexible cable. Bending the cable beyond 90 degrees can cause a black display.
- If you lack experience in electronic device repair, professional assistance is recommended. Refer to online video tutorials (e.g., YouTube) for detailed installation guidance.
Tests vor der Installation
Before fully installing the screen, it is crucial to test its functionality.
- Connect the new screen's flexible cable to the phone's motherboard connector.
- Schalten Sie das Gerät ein.
- Check for display issues such as dead pixels, lines, or incorrect colors.
- Test touch screen responsiveness across the entire display area.
- If any issues are observed, disconnect the screen and contact customer support. Do not proceed with full installation.

This image illustrates the visual checks to perform during pre-installation testing to ensure the screen's quality.
Installationshandbuch
This section provides general steps. For detailed visual instructions, it is highly recommended to watch relevant installation videos on platforms like YouTube. Suchen nach "Oppo Reno8 4G screen replacement" for comprehensive guides.
- Schalten Sie Ihr Gerät vollständig aus.
- Entfernen Sie das SIM-Kartenfach.
- Carefully open the phone's back cover using appropriate tools.
- Disconnect the battery connector to prevent short circuits.
- Disconnect the old screen's flexible cable from the motherboard.
- Gently remove the old, damaged screen.
- Clean any adhesive residue from the phone frame.
- Perform the pre-installation test with the new screen as described above.
- If the test is successful, apply new adhesive tape to the phone frame.
- Carefully connect the new screen's flexible cable.
- Position the new screen onto the frame, ensuring proper alignment.
- Schließen Sie die Batterie wieder an.
- Reassemble the phone, ensuring all screws and connectors are secured.
- Power on the device and perform a final functionality check.

This image displays the front and back of the replacement screen, illustrating its components before installation.
Fehlerbehebung
Black Screen After Installation
If the screen remains black after installation:
- Press and hold the power key and volume key simultaneously. If the phone vibrates, it indicates that the main flexible cable might not be properly installed.
- Power off the device, carefully open it, and re-seat all flexible cables, especially the main display cable.
- Stellen Sie sicher, dass der Akku ordnungsgemäß angeschlossen und geladen ist.
Touchscreen reagiert nicht
If the touch screen is unresponsive or has dead zones:
- Re-check the flexible cable connection for the touch digitizer.
- Ensure no debris or foreign objects are between the screen and the phone frame.
- If the issue persists after re-seating connections, the screen may be defective. Contact customer support.
Display Issues (Lines, Discoloration, Pixels)
If you observe lines, discoloration, or dead pixels:
- This often indicates a damaged flexible cable or a defective screen.
- Ensure the flexible cable was not bent excessively during installation.
- If the issue was present during pre-installation testing, do not proceed with full installation. Contact customer support.
Technische Daten
- Modell: Oppo Reno8 4G (CPH2457)
- Bildschirmgröße: 6.43 Zoll
- Auflösung: 1080x2400 Pixel
- Typ: LCD Display Touch Screen Digitizer Assembly
- Hersteller: AGCUT
Garantie und Support
This product is covered by a quality guarantee. All AGCUT LCD replacements are strictly QC tested before shipment to ensure they are 100% intact, free from scratches, dead zones, dot pixels, or lines.
For any issues, questions, or support, please contact your retailer or the manufacturer directly. Provide your purchase details and a description of the problem for efficient assistance.
Rückgaberecht: Refer to the retailer's return policy for details on returns and replacements, typically within 30 days of purchase.