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ORIGINAL LCD TOUCH DISPLAY SAMSUNG GALAXY Z FLIP 4 5G SM-F721B SILVER WHITE
TOUCH SCREEN + LCD DISPLAY ASSEMBLED 100% ORIGINAL SAMSUNG GALAXY Z FLIP 4 5G SM-F721B - 100% ORIGINAL COMPLETE WITH FRAME FRAME IN SERVICE PACK COLOR: SILVER - WHITE INNER - WHITE Features and technical specifications: - OLED screen + FRAME - Perfect fit digitizing flex - Anti-dust net - Specific for Samsung GALAXY Z FLIP 4 5G SM-F721B - 100% ORIGINAL product IN SERVICE PACK - Backlighting: ADJUSTABLE - Installation by a professional is recommended DO NOT REMOVE THE FILMS BEFORE TESTING THE PART, TO THE PENALTY OF LOSS OF WARRANTY Replacing the screen of the Samsung Z Flip and Z Fold is a delicate operation that requires professional expertise. These models are intended for professionals specifically trained on these devices. If you experience persistent difficulties, we recommend contacting an authorized Samsung service center for comprehensive assistance. Flip/Fold 4: Black screen after replacement If the screen remains black after replacement, follow these steps: Remove the magnet Locate the magnet located at the top of the motherboard, near the camera, and remove it. Demagnetize the magnet Use ceramic tweezers to demagnetize the magnet. A specific product such as the Jakemy JM-X3 is recommended for this operation. Replace the magnet Replace the magnet in the correct direction: the red line must be horizontal and the catch positioned at the top right. Flip/Fold 5: Black screen after replacement If the screen remains black on these models, follow these steps: Start with a magnet Place a magnet in the upper right corner of the device (side of the body) and turn on the phone. Go to the call section and dial #0#. Access the test menu Once in the test menu, access the ALL IC section. Then remove the magnet and reinsert it. After this operation, the device will remain on without the magnet. Recalibration using the Samsung app: Open the Samsung Shop and download the Samsung Self Repair app. Follow the instructions to indicate that the screen has been replaced. This operation recalibrates the Hall effect sensor and resolves the issue for future startups. Finalize the repair: Once the procedure is complete and validated, restart the device. The issue should be resolved. Recommendation: These operations require great precision and specific skills. If you encounter any difficulties or need assistance, we encourage you to contact an authorized Samsung service center to ensure a compliant repair.
