LG LG OLED B4 (2024)
🛡️ Air-Gap Safe
LG OLED B4 77-inch 4K Smart TV
Model Code: OLED77B4PUA.AUS
Official LG Support Page ↗
Latest Firmware
v33.31.75
Release Date
09/14/2026
Package Size
1582419K
Install Method
Offline USB Drive →
Available Firmware Versions
Direct official manufacturer download links.
| Version | Release Date | File Size | Official Download |
|---|---|---|---|
| v33.31.68 Latest | 08/14/2026 | 1,452,890K | Download |
Zero Wi-Fi Needed
Ready to install this update onto your TV?
Follow our step-by-step interactive USB guide to format your drive, create the LG_DTV folder, and flash safely.