U.S. Cellular LG K8x LMK300UM Software Update

LG K8x from U.S. Cellular is getting a new software update which brings the March 2021 Android Security Patch.

ModelBuyer SuffixBuyer/CarrierLast Update Date
LMK300UMUCLU.S. Cellular2021/03/24

The U.S. Cellular LG K8x  aka LMK300UM (LM-K300UM, K300UM) comes with Android 10 OS out of the box.  LG official recently released a new security patch update that is based on Android for the U.S. Cellular LG K8x! After the Update, your LG K8X’s security patch level is March 1, 2021.

The U.S. Cellular LG K8x  supports software updates through LG Bridge and OTA.

you can manually check for the update by going into Settings > General tab > Update center > System update > Check for update.

Starting March 24, 2021, You can download and install LG Bridge and then use LG Bridge to upgrade your phone, if you did not receive the OTA update notification.

Below you can find the U.S. Cellular LG K8x Firmware builds K300UM10F, if you need to download the latest firmware for your PHONE, please contact us at [email protected] with your LG K8x’s IMEI.

Download LG K8X LMK300UM Stock ROM/Firmware

  • ROM Version: K300UM10F_00
  • Carrier Suffix: UCL
  • Carrier/Brand:  U.S. Cellular
  • OS Version: Android 10 Q
  • Size: 2.37GB
  • File name: K300UM10f_00_USC_US_OP_1224.kdz
  • http://lgegdmswdl.s.llnwi.net/dn/downloader.dev?fileKey=FWEFJ3HDE2JZARS2E74ANGX/K300UM10f_00_USC_US_OP_1224.kdz

How to download LG K8X Stock ROM?

Please install XDM download manager first and then copy the above URL and then start a new download job in XDM download manager.