U.S. Cellular LG K8S Receive March 2020 Security Patch

U.S. Cellular LG K8S Firmware Update

The LG K8S LMX22QM (X220QM,LM-X220QM) from U.S. Cellular is getting a new Security Update.

Unfortunately, it is just another maintance, Not the Android 9.0 Pie OS Update.

The update arrives as software version X220QM11d and includes the March Security Patch.

In other words, After the Update, Your LG K8s’s software version reads X220QM11d, and the Security Patch Level is March 1, 2020


ModelBuyer SuffixBuyer/CarrierLast Update Date
LMX220QMUCLU.S. CellularApril 2, 2020

The Update is now available via OTA (Firmware over-the-air) and LG Bridge – LG official’s desktop software used to upgrade your phone.

U.S. Cellular LG K8S Firmware Update





Software Version:X220QM11D

OS Version:OMR1

Security Patch Level: April 1, 2019.

Live Date: April  2, 2020

In the last week, LG official also released the Android 9.0 Pie Update for the LG V30 on U.S. Cellular.

The LG K8s LMX22QM is a mid-range smartphone shipped with Android Oreo (Builds OMR1) out of the BOX.

The LG Aristo 3 from MetroPCS which has the model name X220MA recently received the Android 9.0 Pie Update.

Maybe LG will release the Android 9 Pie Update for the LG K8s LMX22QM too.

For your information, The LG X2 2019 which has model number X220N was launched in South Korea this year with Android 9.0 Pie OS preinstalled.

LG K8S LMX22QM Firmware 

LG official today released the stock kdz firmware for the LG K8S LMX22QM, You can get it from below links.





Software Version:X220QM11D_00

OS Version:OMR1

File Name:X220QM11d_00_USC_US_OP_0318.kdz

KDZ File size:2172813624

Download: X220QM11d_00_USC_US_OP_0318.kdz

Google Drive Mirror: X220QM11b_00_USC_US_OP_1112.kdz

How to unbrick/restore LG K8s LMX22QM back to stock

You will need to install LGUP 1.16, LG USB Drivers Ver 4.4.2, LG UP DLL for LG K8S and Follow this guide to restore your phone back to stock.

Where I can download the LG K8S USB drivers?

visit this link to download the latest LG Android USB Drivers Ver 4.4.2 for LG K8S.

Where I can download the LG Bridge for Windows 7?

Visit this page to download LG Bridge Tool for Windows PC – Windows 7, Windows 8, Windows 8.1 and Windows 10.

How to boot LG K8S into download mode

You can boot your LG K8s into download mode manually by

Turn off your phone, press and hold “Volume Up” button and plug in the USB cable from your computer to the phone

What is the ARB (Anti-roll back) Version of LG K8S firmware

The firmware  X220QM11B is based on Android Oreo.

The ARB Version of the X220QM11B is still 00, and It is safe to downgrade to V10D firmware.

Before Flashing Firmware make sure that the ARB Version of your phone’s current firmware is either same or lower than the ARB Version of the KDZ firmware you want to flash.

Please always flash firmware of same version or updated version , if you try to downgrade your phone firmware version it make cause phone Hard Brick.

For example,

Your phone’s current software version is V20a, and the ARB Version is ARB01,

But the firmware you want to flash is V10a, and the ARB Version is ARB00.

In this case, Do not try to flash the v10a firmware, because the flashing process may hard brick your phone – total dead bricked.