SPH-W4200 Unlocked done by Vygis Box
Procedure:
- power on phone with original sim
- enter "System info" menu by typing "4433366368791" in dial window
- select "SIO MODE"
- select "Port Map" menu item
- set "Diag Monitor" to "USB CDC" value
- connect phone to box. ( i use z3x box as interface with V804 usb cable)
- click connect port
- click connect phone
- click direct unlock
unlocked done
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