REFERENCE GALAXY S4 SGH I337 Done via Z3X

[STRYPER]

GALAXY S4 SGH I337 Done via Z3X

Phone must be powerd on
Type *#0808# and select DM+MODEM+ADB
Type *#9090# and choose USB{or DM/DUN over HSIC}
reboot phone
connect USB cable,install driver if needed.
select SAMSUNG diagnostic port in port setting
Press Unlock botton

ayaw parin madetect

Power on the phone.
Tap 7 times on "Build number" in "Settings"-"About phone" to enable "Developer options",
go to "Settings"-"Developer options" and enable "USB debugging".

wala parin

isa pa procedure

hold power botton + vol Up + home botton

hit this

ayon ready to use na

unlocking done​