Why am I unable to use 3g/4g on LG flex?

[AC Question]

Unable to use 3g/4g on LG flex

i have LG-F240L ( FLEX)
i am unable to use my mobile data on it . There is no network selection mode wcdma/LTE and my mobile data internet is not working.

 

[jeffmd]

F240l is a g pro, not a flex.