XDA's editor-in-chief, Mishaal Rahman, claims to have a source who has given him information on a range of upcoming devices with Huawei's Kirin 980 processor. Some of them are alleged to have screens measuring 8.4 and 10.7 inches.
https://www.notebookcheck.net/Dubious-yet-highly-detailed-new-leak-hints-at-Kirin-980-powered-tablets.420159.0.html