AT&T LG G8 ThinQ software update with April security patch

AT&T LG G8 ThinQ is now receiving a new software update after receiving its Android 10 OS update in February 2020.

AT&T is now pushing an update to its LG G8 ThinQ to version G820UM20k. The update weighs in at 191MB and includes the April 1, 2020 Android security patches.

AT&T LG G8 Software update G820UM20k

  • Release date: April 28, 2020
  • Android version: 10
  • Security patch level (SPL): April 1, 2020
  • Baseband number: QKQ1.190929.002
  • Software version: G820UM20k
  • File size: 191MB
  • What’s changing: Security Patch Level


The update is now going out over the air, and several Reddit users have already received it on their LG G8 ThinQ smartphone.

If you haven’t yet updated, you can manually check for the update by going into Settings > General tab > Update center > System update > Check for update.

The update is a maintenance update based on Android 10 and brings the April security patches.

By the way, Your AT&T LG G8 ThinQ does not support software update through LG Bridge., and we can not download the stock kdz firmware for your AT&T Branded LG G8 ThinQ either.