use tool z3x pro use root filehttps://www.4shared.com/zip/xvw1Am1ica/CF-Auto-Root-j7xelte-j7xeltexx.html
flash to z3x pro if finish if need to reset phone reset it , and root again using this file root and after root click
unlock un sapol,,
usb ded=buging, oem pa off po *#0808# ung...