Hello I have excatly same X80 Pro than you with E7E9 code. I’ve found on Baidu the firmware and I have try to remove Windows 10 using method describe by allember https://techtablets.com/forum/topic/…ly/#post-42636</span> Link to Firmware And it works perfectly in my case 32GB hope it helps
Thanks!
But i want to download firmware 1.03, but teclast remove this update.