LG US730 firmware update: US73011b
The latest firmware for LG US730 is “US73011b” revision 04.
LG has released the “US73011b” firmware update for LG US730 for a while, If you missed the update OTA, You can still install it manually via LG Mobile Support Tools.
Those who wish to download the “US73011b” stock rom/ official firmware update can click below link to save the KDZ files onto your computer and then you can use the KDZ Update Tools & Software to flash the “US73011b” stock rom onto your LG US730.
Wish this helps!