339S00399 WiFi Bluetooth IC for iPhone 8, 8 Plus, and X used to repair wireless connection issues.

Overview

The 339S00399 WiFi IC is a wireless communication IC responsible for WiFi and Bluetooth functions on iPhone 8, iPhone 8 Plus, and iPhone X motherboards. It manages wireless signal processing and connectivity between the device and networks. Failure of this IC commonly causes WiFi not turning on, greyed-out WiFi option, Bluetooth not working, or weak signal, making it essential for wireless circuit repairs.

Key Features

• WiFi and Bluetooth communication IC

• Handles wireless signal processing and control

• Supports stable WiFi and Bluetooth connectivity

• Designed for Apple iPhone wireless architecture

• Compact IC for dense logic board layouts

• BGA package for board-level replacement

• Original, new, and tested IC

Benefits

• Restores WiFi and Bluetooth functionality

• Fixes greyed-out WiFi and Bluetooth issues

• Improves wireless signal stability

• Reliable replacement for faulty wireless IC

• Essential for professional iPhone motherboard repair

Applications

• WiFi not turning on

• WiFi option greyed out

• Bluetooth not working

• Weak or unstable wireless signal

• Wireless failure after drop or liquid damage

• Overheating near WiFi IC section

Compatible Models (if applicable)

• iPhone 8

• iPhone 8 Plus

• iPhone X

FAQ Section

Q1: What does the 339S00399 IC do?
It controls WiFi and Bluetooth wireless communication on the iPhone motherboard.

Q2: What symptoms indicate a faulty 339S00399 IC?
WiFi greyed out, Bluetooth not working, or no wireless connectivity.

Q3: Is this IC model-specific?
Yes. It is used in iPhone 8, 8 Plus, and iPhone X.

Q4: Is replacing the 339S00399 IC difficult?
Yes. It requires advanced microsoldering and BGA rework skills.

Q5: What is the expected repair result after replacement?
Normal WiFi and Bluetooth connectivity is restored.