LG is rolling out a new firmware update for the LG G PAD X 8.0 (LG-V521) from T-mobile.
The Firmware Update with Software Version v52120n brings the April 2018 Android security patch and bug fixes.
The T-Mobile LG G Pad X 8.0 (LG V521) released with Android 6.0 Marshmallow OS pre-installed. The tablet received the Android N 7.0 Update in last year. The new Update (build: v52120n) released today is still Android N 7.0 Update.
The Update is now available via OTA and LG’s deskop software: LG bridge or LG Mobile Support Tool.
To check if the OTA Update is available for your tablet , go to Settings > About phone > Update Center > System updates > Check for Updates.
You may also connect your phone to PC, and use LG bridge to install the Update v52120n.
After the update, You may locked out by the Google FRP, if you bypass the FRP using the Bugs in previous firmware.
Those who bricked the T-Mobile LG G Pad X 8.0 (LG V521) can also download the stock kdz firmware from beow links, and restore your tablet by flashing the v52120n kdz firmware with LG UP
Download T-Mobile LG G Pad X 8.0 V521 Stock kdz firmware V52120n
OS: Android N 7.0
Learn how to restore/unbrick LG G PAD X 8.0 with LG UP, check this guide please.