1. Introduction
This manual provides essential instructions for the proper installation and testing of the JayTong LCD Replacement for the ZTE Blade A73 5G. This product is designed to replace old, broken, cracked, or damaged LCD screens, addressing issues such as non-functional touch or display problems. Please read all instructions carefully before proceeding with installation.
2. Important Pre-Installation Information
- Compatibility: This LCD replacement is specifically compatible with the ZTE Blade A73 5G. Verify your phone model before purchase to avoid damage.
- Fragility: All components are fragile. Handle with extreme care to prevent damage during unpacking and installation.
- Additional Tools: Essential device opening tools are included, but customers may need to acquire additional specialized tools for a successful installation.
- Professional Installation Recommended: Installation instructions are not included in detail within this package. If you lack experience in phone repair, professional installation is strongly advised to prevent damage to the product or your device.
3. Pre-Installation Testing Procedure
It is crucial to test the received item thoroughly before installation. Do not remove any protective films or tags during testing. Failure to test before full installation may void return eligibility if issues arise.
- Clean Connections: Carefully clean the flex cable of the new screen and the corresponding slot on the phone's motherboard. Ensure no dust or debris is present.
- Connect Screen: Tightly connect the new screen's flex cable to the motherboard. Ensure a secure connection without forcing.
- Battery Check: Confirm that the phone's battery is fully charged.
- Motherboard Integrity: Ensure your phone's motherboard is not damaged or faulty.
- Power On & Test: Power on the device. Test all functions of the screen, including touch response across the entire display, display quality (no dead pixels, lines, or discoloration), and overall functionality.
If any issues are detected during this testing phase, contact customer support immediately. Do not proceed with full installation.
4. Installation Guide
This section outlines the general steps for installing the LCD replacement. Please note that detailed, step-by-step instructions for disassembling your specific phone model are not provided here. Refer to online resources or professional guides for your ZTE Blade A73 5G.
General Installation Steps:
- Power Off Device: Ensure your ZTE Blade A73 5G is completely powered off before beginning.
- Disassemble Phone: Carefully disassemble your phone, following a reliable guide for the ZTE Blade A73 5G. This typically involves removing the back cover, battery, and disconnecting various flex cables.
- Remove Old Screen: Gently detach the damaged LCD screen from the phone frame. Be cautious of adhesive and any remaining flex cables.
- Clean Frame: Thoroughly clean the phone frame, removing any old adhesive residue or glass fragments.
- Install New Screen: Carefully position the new JayTong LCD replacement into the phone frame. Ensure all flex cables are properly aligned and connected as per the pre-installation testing procedure.
- Secure Screen: Apply new adhesive (not included) if necessary, and secure the screen to the frame.
- Reassemble Phone: Reassemble the phone in reverse order of disassembly.
- Final Test: After reassembly, perform a final power-on and functionality test.
Caution: Do not force any components during installation. If you encounter resistance, re-evaluate the alignment or consult a professional.

Image 1: JayTong LCD Replacement for ZTE Blade A73 5G. This image displays the complete LCD assembly with a black frame, ready for installation. It includes the display panel and the digitizer.

Image 2: Essential Device Opening Tools. This image shows a set of basic tools typically used for opening and repairing mobile phones, including screwdrivers, plastic pry tools, and a suction cup.
5. Troubleshooting
- Display Not Working / No Image:
- Ensure all flex cables are securely connected to the motherboard.
- Verify the phone's battery is charged.
- Confirm the motherboard is not damaged.
- Re-perform the pre-installation testing procedure.
- Touch Screen Unresponsive / Partial Response:
- Check the digitizer flex cable connection.
- Clean the flex cable and motherboard connector for any debris.
- Ensure no pressure points are affecting the screen after installation.
- Lines or Discoloration on Display:
- This may indicate a damaged screen. If observed during pre-installation testing, do not proceed with full installation and contact support.
- If it occurs after installation, re-check flex cable connections.
If troubleshooting steps do not resolve the issue, please contact customer support for further assistance.
6. Specifications
| Item Model Number | ZTE Blade A73 5G |
| Compatible With | ZTE Blade A73 5G |
| Color | With Black Frame |
| Package Dimensions | 6 x 3 x 0.4 inches |
| Item Weight | 3.52 ounces |
| Manufacturer | Generic |
| Date First Available | November 29, 2024 |
7. Warranty and Support
Each screen is tested for 100% functionality before shipping. If you have any questions, concerns, or encounter issues with the product, please feel free to contact the seller directly. Please note that returns may not be accepted for screens where an installation attempt has been made if the issue was not reported during the pre-installation testing phase.
For support, please refer to your purchase platform or contact the seller, JayTong, through the provided channels.





