mcpe default texture problem

Hi everyone I'm having a problem with my mcpe it loses its original texture and replaces them with other object textures like wood for sand or stone for glass need help to fix it I have deleted and reinstalled it like a doesen times with different versions still the same I don't use any texture or mods at any type pls help

PS:first pic is the original view and the 2 others are in the next 3 seconds