How to unlock Samsung Galaxy S4 free

Samsung Galaxy S4  i9500, i9505, i9505G Sim unlock, which phone warn you to enter pin. Here is the Solution for them.
Let’s begin follow the below steps:

1. Dial *#0011#

2. press Menu then tap BACK

3. press the Menu again the tap KEY INPUT then enter 1, press OK button

4. press Menu then tap BACK

Your are now in the SERVICE MODE MAIN MENU

Tap [1]UMTS

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 then tap [6]COMMON

then [6]NV REBUILD

then tap [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.

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