Here is the Lollipop 5.1.1 Flashable Update Zip for LG G Stylo T-Mobile (H631) and Metro (MS631).
I am not responsible for anything that happens as a result of flashing this update zip. Your destiny is your own.
Caution: You must update with this method to avoid getting your bootloader locked
All things you will need:
How to flash:
LG G Stylo Phone Photos – LG Cell Phone Pictures
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