No need root
Open Z3X samsung tool 33.5
choose j700f
enable usb debug and oem
dial *#0808# dm+modem+adb
salpak na
Click Read code diag
ANTGSM ORMOC
Open Z3X samsung tool 33.5
choose j700f
enable usb debug and oem
dial *#0808# dm+modem+adb
salpak na
Click Read code diag
ANTGSM ORMOC