screen-has-lines Guide
Comprehensive diagnostic and repair walkthrough.
Samsung Galaxy S25
Loose or damaged display connector
Reseat or replace the display connector
Repair Steps
Power off the phone, carefully open the device, inspect the display flex cable and connector for damage or debris, reseat the connector, and test the display before reassembly.
Display panel damage
Replace the display assembly
Repair Steps
Inspect the screen for physical or impact damage. If the lines remain after checking the connector, replace the display assembly with a compatible replacement and test touch and display functionality.
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