The MetroPCS LG G Stylo MS631 today received a new software upate which brings the device’s software version is MS63120l. It is indeed Android 6.0.1 with Feburary 2017 security patch.
The Update is now availalbe via FOTA and LG bridge. if you want to upgrade your phone’s firmware with LG UP, You can download the latest MS63120l stock kdz firmware for MetroPCS LG G Stylo from below link:
Download MetroPCS LG G Stylo MS631 stock kdz firmware
OS: Android M 6.0
Software version: MS63120l
Because LG has made some changes in its server settings, You can not use browser to download firmware from above link.
Learn how to download stock kdz firmware from LG server, Check This guide.
This stock kdz firmware for LG MS631 can be used to unbrick/restore your G Stylo back to Stock. Please check our guide on how to manully install the update with LG UP, How to unbrick/restore LG MS631 back to stock.