i was looking on the internet and i found this bro
here
Thank you for sharing kdz firmware for this model can you please share your experience if u already had flash this file I need to ask one more question this is been said on website there.
Please note that it works on LG K371 with v10a or v10b firmware only.
Please do not try to down grade the OS of your LG K371 phone.
And My phone already has latest k37110h version so I'm afraid to trying because I might end bricking my device then later waiting for LG to release latest version of kdz for able to unbrick restore to stock the reason I wanted to downgrade so I can try some root method to see if we can able get root access for this device
please let me know what you think about this ...
Sent from my LG-K371 using XDA Free mobile app