Lg Up Error 0x5319 -

If you are intentionally attempting to "cross-flash" (change your device's regional software), some users find success using the Partition DL option in LG UP instead of "Refurbish" or "Upgrade".

Enter Download Mode on the phone:

Yes. All LG devices running Android 9 and above (including Velvet, Wing, V60, G8, G7, V50, V40) can display error 0x5319 when cross-flashing. lg up error 0x5319