Nokia 105 2019 LCD Graphics Problem Solution Display Lines Fix Screen Issue Repair Step by Step

Описание: Is your Nokia 105 (2019) LCD showing lines, white display, blur graphics, half screen, or dead graphics?
In this video, I show the complete hardware solution, test points, jumper ways, and how to fix screen distortion issues.
This is a fully practical step-by-step repair guide for technicians.
Works for: LCD lines, dim light, half display, freezing graphics, white display, and broken display tracks.

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✅ 30 Step-by-Step Repair Guide

Power off Nokia 105 completely.

Remove back cover and battery.

Open screws and separate front frame.

Carefully remove keypad board.

Inspect LCD connector for corrosion.

Clean connector with IPA 99%.

Check LCD connector pins under microscope.

If bent or damaged, straighten pins.

Insert a new LCD and test.

If still no graphics, check display supply voltage.

Use multimeter to check VDD_LCD.

If missing, trace the line towards PA area.

Check LCD data lines for continuity.

Repair any broken tracks using thin jumper wire.

Reflow LCD connector if needed.

Inspect display IC area for dry solder.

Reflow display IC gently using hot air.

Do not overheat keypad IC nearby.

Test the phone again.

If lines still appear, replace LCD with original quality.

Check ground lines of LCD.

Ensure no rust near SIM/charging area causing short.

Check screen light coil for loose connection.

Replace display coil if screen flickers.

Test display data resistors near connector.

Replace any damaged SMD components.

Clean board again and assemble temporarily.

Test with battery inserted.

If graphics appear correct, fully reassemble.

Final test all keys and display before delivery.

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