Here is a guide about how to do unroot / downgrade LG G Flex. This tutorial will also unbrick a soft bricked phone.
WARNING: If you do something wrong, you can hard brick your phone. I take no responsibility if your mess up your phone in the process.
How to Unroot / Downgrade LG G Flex:
If you want the tap on screen to work after downgrade dial 3845#*959# (T-Mobile) then settings and update touch firmware and thank Justin.
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