Before you call a technician or buy expensive parts, try these steps. One of these will likely resolve it:
Some LG V60 and G8 users have reported success with this timing trick: lg up error 0x5319 top
LG UP requires the phone to be in (usually accessed via Volume Up + USB insert). If the phone is in Qualcomm HS-USB QDLoader 9008 mode or Fastboot , the partition commands will fail with 0x5319. Before you call a technician or buy expensive
specifically for your phone model (e.g., LG V60, G8, etc.). Without the correct DLL, LGUP may misidentify the device or fail to communicate properly. Check Connection : Use the original LG USB cable and connect to a USB 2.0 port etc.). Without the correct DLL
# Check KDZ hash against official source certutil -hashfile your_firmware.kdz MD5