Скачать или смотреть Itel A27 LCD Display Light Problem Solution | Step by Step Repair Guide 2026

Learn the complete Itel A27 LCD display light problem solution with a full step-by-step repair guide. This video covers how to fix dim screen, backlight not working, flickering light, or complete LCD light failure. Perfect for mobile repair technicians and DIY enthusiasts. Follow each step carefully to restore your Itel A27 screen brightness and functionality.

✅ Works for Itel A27 with LCD backlight issues
✅ Step by step guide for LCD light IC, display connector, and flex cable fixes
✅ Tips to avoid further damage while repairing

Watch till the end for full hardware solutions and practical repair techniques.

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30 Step by Step Instructions:

Power off the Itel A27 completely.

Remove the back cover carefully.

Take out the battery if removable.

Disconnect the LCD flex connector.

Inspect the LCD flex for damage or corrosion.

Check the display connector on the motherboard.

Clean connectors with isopropyl alcohol.

Test the screen brightness with a working flex cable.

Inspect the LCD light IC for loose solder joints.

Re-solder any weak or broken pins on the LCD IC.

Inspect sub-board for any hardware damage.

Replace the LCD light IC if faulty.

Reconnect the LCD flex carefully.

Test backlight before full assembly.

Check for dim, flickering, or no light.

Apply flux and heat if soldering joints are weak.

Inspect motherboard for shorts near LCD IC.

Re-solder any damaged joints on the sub-board.

Test screen light with battery connected.

Check screen brightness and uniformity.

Test multiple apps to ensure full brightness.

Verify no flickering or black spots appear.

Confirm touch responsiveness works correctly.

Replace LCD module if internal backlight damage persists.

Reassemble battery and back cover.

Test phone functionality fully.

Check all connections once more.

Ensure charging does not affect screen light.

Final test: backlight, brightness, and screen performance.

Complete final testing: full display light solution.

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