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⚡ Xiaomi Redmi Y1 Charging Problem Solution - Full Hardware Guide

In this video, we’ll show you how to solve the charging issue in Xiaomi Redmi Y1. If your phone is not charging, charging slowly, or showing no charging sign, this hardware repair guide will help. We’ll test the charging port, filter, diode, and PMIC area. Get complete technical help to bring your Redmi Y1 back to normal.

✅ Problems Covered:

Not charging

Slow charging

No charging icon

Loose charging port

Charging disconnects randomly

🛠️ Tools Needed:
Multimeter, DC power supply, soldering tools, microscope, and cleaning brush.

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📋 30 Step-by-Step Instructions
Turn off the Xiaomi Redmi Y1.

Remove the back cover carefully.

Disconnect the battery.

Remove screws and detach the motherboard shield.

Inspect the charging port physically.

Use a microscope to check for corrosion or damage.

Clean the charging port with alcohol.

Reconnect the battery and test charging.

If not working, remove the charging port.

Test the charging line with a multimeter.

Check VBUS and GND continuity.

Trace VBUS line to filter/diode.

Test the input filter with continuity mode.

Replace if filter is faulty or short.

Check for diode protection near USB port.

Replace damaged diode if needed.

Inspect components near PMIC.

Check for shorting at capacitor.

Test USB data lines as well.

If no short, check USB IC area.

Use DC power supply to simulate charging.

Note current draw — if 0, IC issue suspected.

Replace USB charging IC carefully.

Re-solder charging port if loose.

Reassemble board partially for testing.

Reconnect battery and charger.

Check if charging starts.

If successful, fully reassemble the phone.

Secure all screws and shields.

Final check before returning to user.
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