URGENT! MY IPHONE 5C PICTURES WON T DELETE OR SEND?!

So i have a white iphone 5c, updated to 9.2.1 or whatever recent update on IOS and well i have 8 gigabytes but it says i only have 5? But thats besides the point! Anyways i usually always run out of space like, i can t take pics all the time without deleting some. Well i somehow got up to 1003 photos on my camera roll and so i went to go delete the ones i didn t need (i usually delete the pics i dont need after i screenshot them and done using them) but i forgot to the past couple days well everytime i go to delete them they disappear for a second and then it freezes and wont let me out of the "select" to delete thing. And then if i exit out and check, they are still there and didnt even erase. And i even tried deleting each of them individually like clicking the picture then the trash can but then they d just reappear instead of erasing! And then i tried to send a picture on imessage and kik and they would not send, the imessage app would just freeze and kik they just wont. Has this happened to anyone else? And yes ive tried turning my phone on and off, and resetting it and all that good stuff but nothings working:( please help and sorry if this is a lot of details.

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