NOTICE :
WARRANTY VOID (KNOX) must be 0 for unlocking Exynos Series !!!
For checking WARRANTY VOID, Press and hold Volume DOWN + Power button,
and when go to DOWNLOAD Mode:
1) Power ON phone WithOUT SimCard
2) Disable PATTERN / PASSWORD / IRIS Lock / FingerPrint
3) Enter *#0808# > Select DM+ACM+ADB
4) Connect phone to USB Cable
* Install USB Drivers for SAMSUNG USB Modem
* Install USB Drivers for SAMSUNG Diagnostic Port
5) Run SamKEY, tick on 'Exynos Series' option
6) Press 'Calculate SEC' , Wait until finish
7) Disconnect phone from USB Cable
8) Enter *#0*# in phone > TEST MENU will be displayed, let it be on TEST MENU
9) Connect to UART (RJ45) Cable and Press Write SEC
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