Every time i try to take a pic on my iphone it says i don't have enough storage?

Why wen i try to taje pixs on my iphone it say not enough storage… Manage it blah blah even after i delete pictures n apps i gert the message wwn tryin to tak a pic why is it doin that how can i get kire storage i hav an iphone4 not sure how many gigabites but it just recently started doin it not been doin it bfor

Ugh I hate that I should have got the Samsung glay 3

Free up some space.

Back it up then restore it. Then restore from back up.best thing to do