Got myself an Xperia Z4 tablet for really cheap and I love it. Definitely the best tablet I have owned so far. Wish there were more ROMs for it tho : r/SonyXperia
Sony Xperia Z4 Tablet Android 7.0 Update Re-Commence With Nougat From February 10
Sony Xperia Z4 Tablet review
Sony says Movie Creator bug fix helps Xperia Z5 performance issues | Xperia Blog
Sony Xperia Z4 Tablet also receiving Android Nougat