U.S. Cellular LG G4 US991 today received a new software update which brings the device’s software version to US99125A.
Unfortunately the US99125A is not the Android N 7.0 Update,. According the Build.prop of the us99125a Firmware, the update is still Android 6.0.1 with latest security patch.
The stock kdz firmware build us99125a is also available for download from LG server, You can use LG UP to flash the latest stock kdz firmware for LG G4 US991 to unbrick/restore it back to stock.
Download LG G4 US991 Stock kdz firmware
OS Version: 6.0
KDZ File siz:1526272881
LG official may remove the US99125a_00_0317.kdz from its server when there is a newer software. Please contact us at firstname.lastname@example.org to report broken links.
Please use xdm download manager or other download tool to download the kdz firmware from above link. Check this guide for details on how to download kdz firmware from LG server.