use the partion tool in gparted: 1. delete windows partion then 2. merge the android one (just choose the one with the biggest size. hehe. love linux. very simple. the formation calls ext-4, volume ‘data’)
and sorry for my English ;- ) . I’m from Spain. The good thing is that you don’t need to type any linux commands. Just some mouse clicks. I’m still impressed, because I have no idea about linux ;- ) And very important: Be sure your battery is full! (now I’ve got 2 posts. jeje)