why wifi is not connected?

[AC Question]

I have an LG G Flex2 that fails to get wifi on. It keeps showing "turning the wifi on......" but never gets connected. I restarted or powered off then restarted, the same problem there. Can you please help? Thanks a lot!!

 

[B. Diddy]

Welcome to Android Central! Does it work in Safe Mode? https://support.sprint.com/support/.../WScenario_542_53904_771_en_279-dvc8760002prd