Unplug any external hard drives or flash drives from the USB ports.
Inspect the mobile phone's charging port for compressed lint or debris and extract it gently with a non-conductive toothpick. 2. Purge and Reinstall Device Drivers
Turn the TV back on with all ports empty to check if the error clears. If the TV boots fine, reconnect your devices one by one to isolate the culprit. Step 4: Bypass the Wi-Fi Module (For Network Deadlocks) lg up error 0x5319
Summary: Error 0x5319 appears when using LG UP (LG’s official flashing tool) to flash firmware on LG phones. It signals a communication or authorization failure between LG UP and the phone (often in Download Mode or when using certain DLLs/CPU-targeted packages). Below is a structured troubleshooting guide, common causes, and step‑by‑step fixes with examples.
Unlike a simple USB connection error (e.g., 0x81000302), this error is , not communication-related. Unplug any external hard drives or flash drives
Open the Windows Control Panel, navigate to , and completely uninstall all instances of "LG Mobile Driver".
Select the radio button instead of "Upgrade" or "Refurbish." Click Start . A popup will appear with a list of partitions. Purge and Reinstall Device Drivers Turn the TV
. A window will pop up showing all partitions (boot, system, vendor, etc.). Select All
If using a desktop PC, plug the cable into the rear motherboard ports instead of the front panel.
The LGUP tool detects a mismatch between the current firmware on the phone and the target firmware being loaded. Common Scenarios: