Basic Information
- Head Unit: MIB3 MOI3 (MQB platform J794 infotainment head unit, manufactured by Preh)
- Region: KR = South Korea (Korean version, OEM firmware)
- Train Version: P27600P
- Software Version: SW0276 (MU 0276, early mass-production firmware for the Korean region)
- Part Number: 3G0 919 360 MT; this firmware is compatible only with devices bearing this specific part number
- Package Type: USB Offline Update Package (ZIP archive)
✅ Compatible Vehicles
Volkswagen MQB models sold in the South Korean market equipped with the MOI3 MIB3 Discover Media head unit; the hardware part number must be 3G0919360MT.
For example, Korean-market MQB models such as the Golf, Tiguan, and Arteon.
🛠️ Firmware Fixes (Version 0276)
- Fixes an occasional issue where the system gets stuck at startup due to an SVM validation error
B201A - Improves Bluetooth disconnections and stuttering in mobile Bluetooth audio
- Optimizes flickering and black screen issues in the rearview camera display
- Fixed wireless CarPlay disconnections in certain scenarios
- Exclusive to the Korean version: Local Korean TPEG navigation and local carrier network services
⚠️ Extremely Important Warning
- Do NOT flash this on mainland China-version MOI3 head units! Region lock: After flashing, there is a high probability that FEC will be locked, online services will fail, navigation will switch to Korean, and CarPlay will malfunction; in severe cases, the unit may become completely bricked. The part number suffix for the China-specific version is not compatible with the MT version.
- The hardware part number must match exactly
3G0919360MT; flashing is not permitted if the hardware differs. - If the vehicle is equipped with a Bose/B&O amplifier, after the upgrade is complete, you must re-import the amplifier dataset; otherwise, there will be no sound.
- A power loss during the upgrade will brick the head unit; ensure the battery voltage remains stable.
📝 Key Points for USB Flash Drive Upgrade
- USB Flash Drive Specifications: USB 3.0, ≥16 GB, formatted as FAT32, with a cluster size of 4096
- Unzip the ZIP file, then place the extracted
metaanddatafolders directly into the root directory of the USB drive, do not nest them within multiple folders - Turn on the vehicle’s ignition and keep it running; press and hold the MENU button on the in-dash unit to enter Service Mode (Engineering Mode)
- Select “Software Update/Versions” → Start Update, then select the USB drive as the media source
- Wait throughout the entire process; the update takes approximately 30–45 minutes, and the infotainment system will automatically restart multiple times

