V405TA20J: T-mobile LG V40 Firmware Update – Octomber 2019 Security Patch

T-mobile LG V40 ThinQ Firmware Update

[Update: 11/13/2019]

The LG V40 ThinQ on T-mobile LMV405TA is getting a new security update that brings the latest Android Security patch.

What is new?

– Security updates from Google have been included in this update.

Previous Update: V405TA20I

According to LG official, The Update is software version V405TA20J, The Update is based on Android 9 Pie and comes with the October 2019 Security patch.

After the Update, Your LG V40 ThinQ’s security patch level is Oct. 1, 2019.

The Update is now available via OTA and LG Bridge.  Starting 2019/11/13, T-mobile LG V40 Users can install the Update through LG Bridge.

If you missed the OTA Update notification, please download and install LG Bridge here. 

Download T-mobile LG V40 ThinQ Firmware


For your information, Flashing the above stock kdz firmware does not allow you to bypass Google FRP on T-mobile LG V40 ThinQ.

Network Unlock? The only way to unlock the SIM Network Lock on T-mobile LG V40 is through the T-mobile official SIM-UNLOCK app.