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How to Fix WiFi Issues on Samsung Galaxy S10/S20/S21/Note 20 – WiFi IC Replacement Guide

Replacing WiFi IC on Samsung Galaxy S21 motherboard
Restore WiFi, Bluetooth & NFC with a new WiFi IC.

Is Your Samsung Galaxy’s WiFi Unstable or Not Working?

A failing WiFi IC can cause slow speeds, constant disconnections, or even a complete WiFi/Bluetooth failure on your Samsung Galaxy S10, S20 Ultra, S21, or Note 20 5G. Instead of replacing the entire phone, a WiFi module replacement can save you money.

Symptoms of a Bad WiFi IC:

  • WiFi turns off randomly
  • Can’t detect any networks
  • Bluetooth also stops working
  • Slow speeds even with strong signals

How to Replace the WiFi IC:

  1. Disassemble the Phone – Remove the back glass and battery.
  2. Locate the WiFi IC – Found near the motherboard’s RF section.
  3. Remove the Old IC – Use a hot air rework station at 300°C.
  4. Install the New WiFi IC – Align and solder carefully.
  5. Reassemble & Test – Check WiFi, Bluetooth, and NFC functionality.

Pro Tip: If you’re not experienced in micro-soldering, consult a professional repair shop.

Need a Reliable WiFi IC? Get this OEM-compatible replacement for a permanent fix!

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