LGUS991

Official firmware #4520 for US991 -LG G4 LTE-A

Download the latest versions of firmware for the LG G4 LTE-A, but don’t forget to look into whether the model number of your device corresponds to the indicated one US991. The operating system version of the given firmware is Unknown, with build date 12.12.2016. The firmware code is UCL from UNITED STATES. Instruction how to flash stock firmware on LG phones here
  • File name US99123a_00_1118
  • File size 1.42 GiB
  • Model LGUS991
  • Operating system Unknown
  • Country United States United States
  • Region UCL
  • Description U.S. Cellular
  • Hash fe18c13548c979775d43af66c13e08c8

1.Check reCAPTCHA

2.Press to download

Just a moment...

Instructions

LG UP
  1. Download to your PC: LG UP 1.14 or LG UP 1.16.
  2. Next download and extract the KDZ firmware file.
  3. LG uses KDZ format when posting official firmware releases.
  4. Now turn off your device and enter Download mode.
  5. Press and hold the Volume Up key and then connect USB cable.
  6. Open LG UP next choose "Upgrade" and select your KDZ file(You can choose KDZ file here).
  7. Finally click on "Start" key. Your device will now reboot and disconnect from the PC.
LG Flash Tool 2014
  1. Download to your PC: LG Flash Tool 2014.
  2. Next download and extract the KDZ firmware file.
  3. LG uses KDZ format when posting official firmware releases.
  4. Now turn off your device and enter Download mode.
  5. Press and hold the Volume Up key and then connect USB cable.
  6. Open LG Flash Tool 2014 and select your KDZ file (You can choose KDZ file here), choose type "CDMA" then tap "CSE Flash".
  7. Next select "Different Country" and "English" language.
  8. Finally click on "OK". Your device will now reboot and disconnect from the PC.
To Top
GDPR