1. Introduction
This manual provides essential instructions for the installation, care, and troubleshooting of the SRJTEK Teclast M30 Touch Screen Digitizer Replacement. This product is designed to replace a damaged or malfunctioning touch screen on the Teclast M30 tablet, restoring its touch functionality.
2. Safety Information
Working with electronic components requires caution. Please observe the following safety guidelines:
- Power Off: Always ensure the device is completely powered off and disconnected from any power source before beginning installation.
- Static Discharge: Take precautions against electrostatic discharge (ESD) to prevent damage to sensitive electronic components. Use an anti-static wrist strap if available.
- Handle with Care: The digitizer is a fragile glass component. Handle it gently to avoid breakage.
- Eye Protection: Consider wearing eye protection to guard against small flying debris, especially when removing broken glass.
- Professional Installation Recommended: Due to the delicate nature of tablet repair, professional installation is highly recommended. Damage incurred during self-installation may void the warranty.
3. Package Contents
Verify that all items are present in your package:
- 1 x SRJTEK Touch Screen Digitizer for Teclast M30
- 1 x Repair Tool Kits (may include screwdrivers, pry tools, suction cup)
- 1 x Adhesive (for securing the new digitizer)

Image: SRJTEK Teclast M30 Touch Screen Digitizer and accompanying repair tools and adhesive. This image illustrates the main product component along with the accessories provided for installation.
4. Compatibility
This touch screen digitizer is specifically designed for and compatible with the Teclast M30 tablet model. It is also compatible with MT6797 X27 MJK-1290-V1 FPC versions. Please ensure your device model matches this specification before proceeding with installation.
5. Installation (Setup)
The installation of a tablet touch screen digitizer requires precision and technical knowledge. Professional installation is strongly recommended. Parts damaged during installation are not accepted for return.
5.1. Pre-Installation Steps
- Backup Data: Before any repair, back up all important data from your Teclast M30 tablet.
- Power Off: Completely power off your tablet and disconnect it from any charging cables.
- Test the New Digitizer: Before fully installing, connect the new digitizer's flex cable to the tablet's motherboard. Power on the tablet briefly to test touch functionality. Do not remove any protective films or adhesives until you have confirmed it is working correctly.
5.2. General Installation Procedure (Overview)
While detailed steps vary by device, the general process involves:
- Disassembly: Carefully open the tablet casing and disconnect the old, damaged touch screen digitizer. This often involves heating the edges to loosen adhesive and using pry tools.
- Clean Frame: Thoroughly clean the tablet frame, removing all old adhesive and glass fragments. A clean surface is crucial for proper adhesion of the new digitizer.
- Connect Flex Cable: Carefully connect the flex cable of the new SRJTEK digitizer to the corresponding connector on the tablet's motherboard. Ensure the connection is secure and correctly aligned. Incorrect flex cable connection is a common cause of non-functional touch.
- Apply Adhesive: Apply the provided adhesive evenly around the edges of the tablet frame where the digitizer will sit.
- Position New Digitizer: Carefully align and place the new digitizer onto the tablet frame. Press gently but firmly around the edges to ensure proper adhesion.
- Reassembly: Reassemble the tablet casing.
For detailed, model-specific disassembly and reassembly instructions, please refer to online repair guides or videos for the Teclast M30 tablet. Search for "Teclast M30 digitizer replacement" on video platforms for visual assistance.
6. Post-Installation Checks (Operating)
After installation, perform the following checks to ensure proper functionality:
- Power On: Power on your Teclast M30 tablet.
- Touch Functionality: Test the entire surface of the screen for touch responsiveness. Drag an icon across the screen to check for dead spots or unresponsive areas.
- Display Quality: Check for any visual anomalies such as dead pixels, discoloration, or lines on the display. (Note: This product is a digitizer only; display issues are typically related to the LCD, not the touch screen.)
- Physical Fit: Ensure the new digitizer is securely seated and flush with the tablet frame.
7. Care and Maintenance
To prolong the life of your new touch screen digitizer:
- Screen Protector: Consider applying a high-quality screen protector to prevent scratches and minor impacts.
- Cleaning: Clean the screen with a soft, lint-free cloth, preferably microfiber. Use a screen-specific cleaning solution if necessary, applied to the cloth, not directly to the screen.
- Avoid Impact: Protect your tablet from drops and impacts, which can damage the screen.
- Avoid Extreme Temperatures: Do not expose the tablet to extreme heat or cold.
8. Troubleshooting
If you encounter issues after installation, consider the following:
- Touch Not Responding / Partial Touch:
- Ensure the flex cable is securely and correctly connected to the motherboard. Disconnect and reconnect it carefully.
- Check for any debris or damage to the flex cable or its connector.
- Perform a hard reset of the tablet.
- Screen Not Turning On / Black Screen:
- This product is a digitizer (touch layer), not the LCD (display layer). If the screen remains black, the issue is likely with the LCD or its connection, not the digitizer.
- Verify that the LCD's flex cable is also properly connected.
- Ghost Touches / Erratic Behavior:
- Ensure there is no pressure on the digitizer from the tablet casing or internal components.
- Check for any trapped debris or moisture under the screen.
- A factory reset (after backing up data) can sometimes resolve software-related touch issues.
If troubleshooting steps do not resolve the issue, please contact SRJTEK customer service for further assistance.
9. Specifications
| Product Type | Touch Screen Digitizer Replacement |
| Compatibility | Teclast M30 Tablet (MT6797 X27 MJK-1290-V1 FPC) |
| Brand | SRJTEK |
| ASIN | B08YY9RR25 |
| Manufacturer | SRJTEK |
| Date First Available | March 15, 2021 |
10. Warranty and Support
SRJTEK provides a 6-month after-sale service for this product. If you experience any issues with the item received, please contact SRJTEK customer service for assistance.
Contact Information:
- For support, please refer to the contact methods provided by your retailer or visit the official SRJTEK store page on Amazon: SRJTEK Amazon Store.
- When contacting support, please provide your order number and a detailed description of the issue.
Please note: The warranty covers manufacturing defects. Damage caused by improper installation, misuse, or accidental damage is not covered. Professional installation is highly recommended to avoid such issues.