[GUIDE] Galaxy S4 Sim-Unlocking

1. Dial *#0011#
2. press Menu then tap BACK
3. press the Menu again the tap KEY INPUT then enter 1, (wait a few seconds) it auto jumped into service menu.

4. press Menu then tap BACK (not needed for me)

Your are now in the SERVICE MODE MAIN MENU

Tap [1]UMTS (may auto go into next menu (mine did)

then [1]DEBUG SCREEN
then [6]PHONE CONTROL
then [6]NETWORK LOCK
then tap [3]PERSO SHA256 OFF

Go back to the UMTS MAIN MENU by pressing Menu then Back (several times)

then tap [6]COMMON

then [6]NV REBUILD (if this does not work next time)

do [4]RESTORE BACK UP

the device will freeze, black screen, Blue LED Light, Menu and Back key ON. Wait for it to reboot (about a minute).

Your Samsung Galaxy I9505 is now Sim-Unlocked.

Dr Phone does the GALAXY s4 HAVE TO BE R00TED TO USE that method?

You can do this with Z3X bOX AND ALSO REPAIR IMEI for you who try and get your S4 buggered.

Selected model: I9505
Selected port: COM4 Z3X BOX Serial Port
Selected port speed: 115200
Searching ADB device...
Please, allow USB debugging on phone... OK
Reading phone info...
Model: GT-I9505
Android version: 4.2.2
Product code: GT-I9505ZWAPHE
Phone version: I9505XXUAMDE
PDA version: I9505XXUAMDE
CSC version: I9505OXXAMD8
IMEI: Unknown
Checking Super user right... true
Writing data to phone... OK
Rebooting phone... OK
Now connect phone to UART cable
Checking phone at COM4 OK
Reading phone info...
Model: GT-I9505
Country code: PHE
Cal date: -
Factory SW: I9505XXUAMDE
Unique number: CAF00C40999FF30
Memory phone: -
Bypass MSL... OK
Repairing IMEI... OK
Rebooting... OK
Repair done
Done with Samsung Tool v.14.6
bs0d<<<>>>meth0d<><><>:flock:
[TABLE="class: tborder, width: 100%, align: center"]
[TR]
[/TR]
[TR]
[TD="class: alt1, bgcolor: #004163"]

[/TD]
[/TR]
[TR]
[TD="class: alt2, bgcolor: #00304A"][/TD]
[/TR]
[/TABLE]