Скачать или смотреть Xiaomi Redmi Y1 WiFi, Bluetooth & GPS Problem Solution | Hardware Repair Guide

In this video, you’ll learn how to fix WiFi, Bluetooth, and GPS issues in the Xiaomi Redmi Y1. If you're facing problems like WiFi not turning on, Bluetooth disconnected, or GPS not locking, this step-by-step hardware-level repair tutorial will help you resolve the problem. This video is ideal for mobile technicians and advanced DIYers.

🔧 Model: Xiaomi Redmi Y1
📌 Issues Covered:
• WiFi not turning on
• Bluetooth greyed out or stuck
• GPS not locating or inaccurate
• Connectivity drops randomly

🔧 30-Step Hardware Repair Guide:
Power off the Xiaomi Redmi Y1.

Remove the SIM tray and back panel.

Unscrew and remove the motherboard shield.

Disconnect the battery connector first.

Locate the RF section of the motherboard.

Identify the WiFi/BT/GPS combo IC (usually near antenna lines).

Clean the IC area using IPA or PCB cleaner.

Check for visible burn marks or corrosion.

Use a microscope to inspect tiny RF components.

Test all antenna points and filters with a multimeter.

Replace any shorted or broken antenna filters.

Reflow the combo IC using hot air station at 280-320°C.

If reflow fails, remove and replace the combo IC.

Check for broken RF antenna pads or traces.

Use micro jumpers to restore lost antenna lines.

Check WiFi and Bluetooth antenna connectors.

Replace faulty antenna cables.

Reconnect all coaxial cables securely.

Reassemble phone partially.

Power on and enter settings.

Check if WiFi and Bluetooth can toggle.

Download a GPS test app.

Confirm GPS satellite lock status.

If GPS still fails, replace GPS antenna module.

Clean and recheck GPS contact points.

Flash stock firmware to rule out software issues.

If issue persists, double-check U504/U501 IC.

Confirm no voltage drop using power supply.

If needed, swap working motherboard to isolate fault.

Fully reassemble the device after successful test.

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