Tecno Spark 20 Pro Charging Problem Solution | Not Charging | USB Port | Full Hardware Repair Guide

Описание: In this video, you will learn a complete step by step hardware repair guide for Tecno Spark 20 Pro charging problem solution. This video covers phone not charging, slow charging, charging stuck at 0%, USB not detected, charging port loose, and charging IC related issues. Full charging section testing, voltage points, USB line checking, and professional repair methods are explained clearly. This guide is helpful for mobile technicians and beginners. Watch full video for complete and accurate hardware solution.

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🛠️ 30 STEP BY STEP HARDWARE REPAIR GUIDE

Power off Tecno Spark 20 Pro

Remove SIM tray carefully

Open back cover safely

Disconnect battery connector

Remove motherboard shield

Inspect charging port physically

Clean USB port with IPA

Check charging port pins

Test VBUS voltage

Check USB D+ and D- lines

Measure diode mode on port

Inspect charging connector solder joints

Check charging fuse

Test charging IC input voltage

Verify PMIC enable signal

Check battery connector voltage

Replace faulty charging port

Repair broken charging line

Jumper missing VBUS line

Replace short capacitor

Reconnect battery temporarily

Plug charger for testing

Observe charging symbol

Check charging current

Test with new battery

Clean repaired area

Reinstall motherboard shield

Secure battery connector

Close back cover properly

Final charging test

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