Sm-j720f network unlock using samkey
Download first latest version of samkey codereader from samkey.org then install.
Need 3 credits to unlock (find somebody selling samkey credits).
Run samkey codereader
Insert username and password then log-in
Remove simcard and sdcard from phone, disable all locks
Phone in normal mode, usb debugging enabled, connect to pc
Click read-info
Click read codes
Follow on-screen instruction
Wait till operation completed
Download first latest version of samkey codereader from samkey.org then install.
Need 3 credits to unlock (find somebody selling samkey credits).
Run samkey codereader
Insert username and password then log-in
Remove simcard and sdcard from phone, disable all locks
Phone in normal mode, usb debugging enabled, connect to pc
Click read-info
Click read codes
Follow on-screen instruction
Wait till operation completed