Firmware Update

LG X4 (2019) LM-X420N Firmware Update

LG is rolling out a new firmware update for the LG X4 (2019) LM-X420N in South Korea.

Model Buyer Suffix Buyer/Carrier Last Update Date ChangeLog
LMX420N KTF KTF 2019/7/18 Security updates
LMX420N KOR KOREA 2019/7/18 Security updates
LMX420N LGT LG U+ 2019/7/17 Security updates
LMX420N SKT SK TELECOM 2019/7/17 Security updates

This is just a maintenance update with the latest Google Android security patch and bug fixes, It also improved LG X4 (2019) LM-X420N smartphone usability.

Here is the changelog:

  • Security updates from Google have been included in this update
  •  Phone usability and functionality has been further improved.

Now LG X4 2019 owners can install the firmware via LG Bridge and OTA. LG official also released the stock kdz firmware for the device today, if you to download the firmware, please contact us with your phone’s IMEI.