AGCUT LCD Screen Replacement Instruction Manual for Xiaomi 12T / 12T Pro

1. Introduction

This manual provides essential instructions for the proper installation and handling of your AGCUT LCD screen replacement for Xiaomi 12T and 12T Pro smartphones. This product is designed to replace broken, damaged, cracked, or non-functional LCD screens, restoring your device's display functionality and appearance.

The display is crafted from high-quality glass and liquid crystal materials, ensuring excellent color pixels and resolution.

2. Compatibility

This LCD screen is compatible with the following models:

• Xiaomi 12T (Model: 220712AG)
• Xiaomi 12T Pro 5G (Models: 22081212UG, 22081212G)

Please verify your phone's model number before purchasing and attempting installation to ensure compatibility and avoid incorrect model purchase.

3. Package Contents

The package typically includes the following items:

• 1 x LCD Screen Replacement for Xiaomi 12T / 12T Pro
• 1 x Set of Repair Tools (may vary)
• 1 x HD Glass (Screen Protector)
• 1 x Dust Removal Sticker
• 1 x Double-sided Adhesive Tape
• 1 x Disassembly Tool Card
• 1 x Explosion-proof Box (for safe shipping)

Image: Contents of the AGCUT LCD screen replacement kit.

4. Important Safety Information and Precautions

Read all instructions carefully before proceeding with installation.

• Professional Installation Recommended: Installation requires specialized skills. If you are unfamiliar with smartphone repair, it is highly recommended to seek assistance from a professional repair service to avoid accidental damage to the replacement screen or your device.
• Online Tutorials: This product does not come with a printed manual. It is advisable to consult online video tutorials for Xiaomi 12T/12T Pro screen replacement to guide you through the process.
• Static Electricity: Ground yourself to prevent damage due to static electricity. Use an anti-static wrist strap if possible.
• Battery Disconnection: Always disconnect the battery and the flexible cable before removing the old screen and installing the new one.
• Careful Handling: Exercise extreme caution during installation. Improper handling can easily damage the screen or other components of your phone.
• Additional Tools: While the provided tools are compatible with most mobile phones, some users may require additional tools for specific needs.

5. Setup: Pre-Installation Testing

Performing a pre-installation test is a critical step that must not be overlooked. This ensures the new screen is fully functional before permanent installation.

1. Connect Flex Cable: Before full installation, connect the new screen's flexible cable to your phone's motherboard. Do not remove the protective film from the screen at this stage.
2. Reconnect Battery: Reconnect the phone's battery.
3. Power On and Test: Power on your phone and thoroughly test the screen's functionality. Check for:
   • Display quality (no dead pixels, lines, or discoloration)
   • Touch screen responsiveness across the entire surface
   • Brightness adjustment
   • Any other display-related functions
4. Power Off and Disconnect: If the screen functions correctly, power off your phone and disconnect the battery and screen flex cable before proceeding with the full installation.

Image: Visual representation of screen quality checks for dead pixels, pixel lines, touch response, and disconnections.

If any issues are detected during the pre-installation test, do not proceed with the full installation. Contact customer support immediately.

6. Installation (Operating)

Once the pre-installation test is successful, you can proceed with the full installation. Remember the precautions mentioned earlier.

1. Prepare Workspace: Ensure a clean, well-lit, and static-free workspace.
2. Remove Old Screen: Carefully remove the old, damaged screen from your device. This typically involves heating the edges to loosen adhesive, then gently prying it off.
3. Clean Frame: Thoroughly clean any old adhesive residue from the phone's frame. This is crucial for the new screen to sit properly and securely.
4. Apply New Adhesive: Apply the provided double-sided adhesive tape (or a suitable alternative) around the phone's frame where the screen will sit.
5. Install New Screen: Carefully align the new LCD screen with the phone's frame. Connect the flexible cable securely to the motherboard. Gently press the screen into place, ensuring it is flush with the frame.
6. Remove Protective Film: After the screen is securely installed and you have confirmed its functionality, remove the transparent protective film from the screen surface.

Image: Front view of the replacement LCD screen.

Image: Front and back view of the replacement LCD screen, highlighting the flexible connector cable.

7. Maintenance

To ensure the longevity and optimal performance of your new LCD screen:

• Screen Protector: Apply the provided HD glass screen protector immediately after installation to prevent scratches and minor impacts.
• Cleaning: Clean the screen with a soft, lint-free cloth. Avoid harsh chemicals or abrasive materials.
• Avoid Pressure: Do not apply excessive pressure to the screen, as this can cause damage.
• Temperature Extremes: Avoid exposing your device to extreme temperatures, which can affect screen performance.

8. Troubleshooting

If you encounter issues after installation, consider the following:

• Screen Not Turning On / Black Screen:
  • Ensure the flexible cable is securely connected to the motherboard.
  • Check if the battery is properly connected and charged.
  • Perform a hard reset of your device (refer to your phone's original manual for instructions).
• Touch Not Responding / Partial Touch:
  • Verify the flexible cable connection.
  • Ensure there is no debris or foreign material between the screen and the frame.
  • Restart your device.
• Display Anomalies (Lines, Discoloration, Dead Pixels):
  • This may indicate a faulty screen or damage during installation. Re-check connections.
  • If issues persist, contact customer support.

If troubleshooting steps do not resolve the issue, please contact AGCUT customer service for further assistance.

9. Specifications

Image: Front view of the replacement LCD screen, illustrating its design.

10. Warranty and Customer Support

AGCUT offers a replacement or refund for quality issues not caused by human factors. If you have any questions or concerns regarding your LCD screen replacement for Xiaomi 12T / 12T Pro, please do not hesitate to contact our customer service team.

Our team is committed to providing support within 24 hours.

For support, please refer to the contact information provided with your purchase or on the official AGCUT store page on Amazon: AGCUT Store on Amazon