Xiaomi Redmi 10 / 10 Prime LCD Touch Screen Digitizer Assembly User Manual

1. Introduction

This manual provides essential information for the installation, operation, and maintenance of your new LCD Touch Screen Digitizer Assembly for Xiaomi Redmi 10 and Redmi 10 Prime smartphones. This product is a replacement part designed to restore display and touch functionality to your device.

Compatible Models:

• For Redmi 10: Model numbers 21061119AG, 21061119DG, 21061119AL
• For Redmi 10 Prime: Model number 21061119BI

Please verify your phone's model number before proceeding with installation.

2. Specifications

3. Package Contents

Your package should contain the following items:

• 1 x LCD Touch Screen Digitizer Assembly (with or without frame, depending on your selection)

Please inspect the contents immediately upon receipt for any damage or missing items.

4. Safety Information

Repairing electronic devices requires care and precision. Please observe the following safety guidelines:

• Professional Installation Recommended: Replacing a phone screen can be complex. If you are not confident in your repair skills, it is highly recommended to seek professional assistance to avoid damaging your device or the new part.
• Power Off Device: Always ensure your device is completely powered off and the battery is disconnected before starting any repair work.
• Static Electricity: Static discharge can damage electronic components. Use an anti-static wrist strap or take other anti-static precautions.
• Handle with Care: The LCD and digitizer are fragile. Avoid applying excessive force or bending the flex cables.
• Eye Protection: Wear appropriate eye protection during the repair process.

5. Setup and Installation

Follow these general steps for installing your new LCD Touch Screen Digitizer Assembly. Specific disassembly and reassembly instructions for your phone model may vary and should be referenced from a dedicated repair guide for your device.

5.1 Pre-Installation Checks

1. Verify Compatibility: Double-check that the received assembly matches your phone's model (Redmi 10 or Redmi 10 Prime) and model numbers (e.g., 21061119AG, 21061119BI).
2. Visual Inspection: Carefully inspect the new LCD assembly for any physical damage, cracks, or bent flex cables before installation.
3. Test Before Installation: This is a critical step. Before fully adhering or installing the screen, connect the flex cables of the new LCD assembly to your phone's motherboard. Do NOT remove any protective films or labels at this stage. Power on the device and test the display (colors, brightness, dead pixels) and touch functionality thoroughly.

5.2 Installation Steps (General)

1. Power Off and Disassemble: Ensure your phone is powered off. Carefully open your phone and disconnect the battery. Remove the old, damaged screen assembly.
2. Clean the Frame: Thoroughly clean any old adhesive or debris from the phone's frame/housing where the new screen will sit.
3. Connect Flex Cables: Carefully connect the display and touch flex cables of the new LCD assembly to their respective connectors on the phone's motherboard.
4. Re-Test: Before securing the screen, temporarily reconnect the battery and power on the phone to perform another comprehensive test of the display and touch functions. If any issues arise, disconnect the battery and recheck all connections.
5. Secure the Screen: Once tested and confirmed working, disconnect the battery again. If your assembly came with a frame, carefully align and secure it to the phone's chassis. If it's a 'no frame' version, apply new adhesive (not included) around the frame and carefully seat the new screen.
6. Reconnect and Reassemble: Reconnect the battery, and carefully reassemble your phone, ensuring all screws and components are in their correct places.

6. Operating Instructions

Once successfully installed, your new LCD Touch Screen Digitizer Assembly will function identically to the original screen. Operate your device as usual:

• Power On/Off: Use the power button to turn your device on or off.
• Touch Interaction: Navigate the user interface, open apps, and type using the touch screen.
• Display: The screen will display all visual content from your device. Adjust brightness and other display settings through your phone's system settings.

7. Maintenance

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

• Cleaning: Use a soft, lint-free cloth (e.g., microfiber) to gently wipe the screen. For stubborn smudges, slightly dampen the cloth with water or a screen-specific cleaning solution. Avoid harsh chemicals or abrasive materials.
• Screen Protection: Consider applying a screen protector (tempered glass or film) to guard against scratches and minor impacts.
• Avoid Impacts: Protect your phone from drops and impacts, which can damage the screen.
• Temperature Extremes: Avoid exposing your device to extreme temperatures, as this can affect screen performance and lifespan.

8. Troubleshooting

If you encounter issues after installation, consider the following:

• Screen Not Turning On:
  • Ensure the battery is properly connected and charged.
  • Check all flex cable connections to the motherboard; they might be loose or improperly seated.
• Touch Not Responding or Partial Response:
  • Disconnect and reconnect the touch digitizer flex cable.
  • Ensure no debris is obstructing the flex cable connectors.
  • If the issue persists, the digitizer may be faulty or damaged during installation.
• Display Issues (Lines, Flickering, Dead Pixels):
  • Recheck the display flex cable connection.
  • If the problem persists, the LCD itself might be faulty or damaged.
• Brightness/Color Issues:
  • Check your phone's display settings for brightness and color calibration.
  • Ensure the ambient light sensor is not obstructed.

If troubleshooting steps do not resolve the issue, contact customer support for further assistance.

9. User Tips

• Always Test First: As emphasized in the installation section, always perform a thorough test of the screen's display and touch functions before fully adhering it to the phone frame. This can save significant time and effort if the part is defective or damaged.
• Handle Flex Cables with Care: The ribbon-like flex cables are extremely delicate. Bending, tearing, or improperly connecting them is a common cause of display or touch issues. Use plastic tools when manipulating them.
• Watch a Repair Video: Even if you're experienced, watching a specific repair video for your phone model can provide valuable insights and prevent common mistakes.

10. Warranty and Support

This product comes with a 100% guaranteed quality and is tested before shipment. If you receive any problems during the product's use or installation, please feel free to contact the seller for resolution. Provide your order details and a clear description of the issue to facilitate support.