How To SIM Unlock Samsung Galaxy S4 GT-I9505 For Free

Owners of the Samsung Galaxy S4 locked devices will be happy to hear that they can unlock their device in easy to follow steps, without having to pay out a single penny.

If you have one of the Samsung handsets with a carrier and it is locked to that carrier, you cannot use it with any other. However if you unlock the handset you can use it with whatever carrier you want or even send it to friends and family who live overseas.

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How To SIM Unlock Samsung Galaxy S4 GT-I9505

Step 1: Launch the Phone app on your Galaxy S4, and dial in: *#0011#

Step 2: Press the Menu button followed by the Back key. Then, hit the Menu button again and select KEY INPUT. Enter 1 and press the OK button to enter ServiceMode.

Unlock Samsung Galaxy S4-1Step 3: Press Menu one more time and tap back again. This will pull up the Main Menu for ServiceMode. Tap [1] UMTS.

Unlock Samsung Galaxy S4-2Step 4: Now select [1]DEBUG SCREEN, followed by [6] PHONE CONTROL.

Unlock Samsung Galaxy S4-3Step 5: From the next screen, pick [6] NETWORK LOCK.

Unlock Samsung Galaxy S4-4Step 6: You’ll get three options. Hit the one that says [3] PERSO SHA256 OFF.

Unlock Samsung Galaxy S4-5Step 7: Now, you need to get back to Main Menu. To do this, hit the Menu button followed by the Back key. In Main Menu, now pick [6]COMMON, and then [6] NV REBUILD.

Unlock Samsung Galaxy S4-6Step 8: The phone will tell you that a Golden Backup exists. Tap [4] Restore Back-up.

Unlock Samsung Galaxy S4-7Your device will now go through a series of “conditions”, where it will first freeze, then get on a black screen with Blue LED on and both capacitive buttons on, after which it will reboot automatically. The whole cycle might take a couple of minutes, so be patient. Once it powers back on, it’s network unlocked, permanently. Enjoy!

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