The Complete Guide to Replacing Your iPhone15 Screen with JK FHD Modules

Replacing an iPhone15 screen can seem daunting, but with the JK FHD-iPhone15 screen from kelai (brand: JK), the process becomes straightforward, efficient, and reliable. This guide focuses on step-by-step instructions, best practices, and tips to ensure a safe and high-quality screen replacement, ideal for both professional repair shops and experienced DIY users.

1. Prepare Your Workspace and Tools

Before starting, ensure you have a clean, well-lit workspace and all necessary tools:

• Precision screwdrivers (Pentalobe, Phillips)

• Suction cup and plastic opening tools

• Tweezers

• ESD wrist strap (recommended for safety)

• JK FHD-iPhone15 screen replacement module

Tip: Organize screws and small components in a labeled tray to prevent loss or confusion during reassembly.

2. Power Off the iPhone15

Always turn off your device completely before starting the repair. This prevents short circuits and ensures safety during disassembly.

3. Remove the Screws and Open the Device

1. Remove the two Pentalobe screws located at the bottom of the iPhone15.

2. Use a suction cup to gently lift the screen, creating a small gap.

3. Insert a plastic opening tool along the edges to carefully separate the display from the frame.

4. Open the phone slightly, being careful not to strain the ribbon cables connecting the screen to the logic board.

4. Disconnect the Battery and Display Connectors

1. Remove the internal screws securing the metal shield plate over the display connectors.

2. Carefully disconnect the battery connector first to prevent electrical damage.

3. Disconnect the display, digitizer, and front camera connectors.

Tip: Always handle connectors gently with tweezers to avoid bending pins or damaging cables.

5. Remove the Old Screen

Once all connectors are safely detached, the old iPhone15 screen can be removed. Inspect the device for any debris or adhesive residue, and clean the frame if necessary to ensure proper installation of the new JK FHD module.

6. Install the JK FHD-iPhone15 Screen

1. Connect the display, digitizer, and front camera cables from the JK FHD module to the logic board.

2. Reconnect the battery connector.

3. Test the screen functionality before sealing the device:

   • Brightness and color display

   • Touch responsiveness

   • Front camera and Face ID functions

Screen Features to Verify:

• Screen Size: 6.1 Inch

• Resolution: 1179×2556

• Brightness: 750±50 Cd/m²

• Contrast Ratio: 1400:1

• NTSC Coverage: 90%

• Color Temperature: 6500K

• Viewing Angle Range: ALL(o’clock)

• TP Structure: In-cell

• Backlight Structure: LED Backlight

7. Reassemble the iPhone15

After confirming full functionality:

1. Secure the metal shield plate over the connectors.

2. Carefully align the screen and press it into the frame.

3. Replace the bottom Pentalobe screws.

Tip: Apply gentle, even pressure along the edges to avoid gaps or pressure points on the display.

8. Final Checks

• Verify touch functionality across the entire display.

• Check brightness, color accuracy, and Face ID performance.

• Ensure the screen fits snugly with no loose edges or gaps.

Conclusion

Replacing your iPhone15 screen with a JK FHD module from kelai ensures high-quality results with precise color, brightness, and touch performance. By following this step-by-step guide, repair professionals and skilled DIY users can complete replacements efficiently and safely, restoring the device to near-original condition while maintaining reliability and longevity.

Using JK screens allows repair shops to serve more customers efficiently, providing a trusted, high-quality solution in the global smartphone repair market.