Hi, here is the latest firmware of Jumper Ezbook i7 14.1 inch Laptop
Download here: Jumper Ezbook i7 Notebook Windows 10 USB Firmware
Use a USB Disk and format it by FAT32.
Rename the USB disk as WINPE.
Open the folder “EZbook i7” and copy “USB2” into the USB disk.
Insert the USB to your laptop, reboot your laptop and press F7 button to choose USB boot.
Follow the instruction
Have a good day!