[trick][root need]solution for thumbnail huge files

Hi
Probably you have faced android thumbnail issue,huge thumbnail file eats your storage free space, for this trick you have to be rooted and twrp installed,boot your phone into recovery,go to advance file manager, select this folder DCIM/.thumbnail,first delete huge files in this folder then chmod this folder by clicking on select to 0440,this will change permission to just read for user and group,done! No more thumbnail [emoji4]