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[GUIDE] Galaxy S4 Sim-Unlocking

OP chavxxx

17th May 2013, 11:00 AM   |  #1  
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Follow steps carefully and correctly. Remember, this could damage your device.
Regular disclaimer applies to all.

you have been warned

Instructions:

METHOD 1

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.






----------

METHOD 2 - artnada

This is what I did. Slightly different to OP.

I did this with my AUTHORISED Sim in first.


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.

Edit:

When I booted back in with AUTHORISED sim, I had to turn off Mobile Data, then turn it on.
I then turned off the phone, put my UNAUTHORSIED Sim in, booted back up and NO NETWORK PIN request!

Again, I had to turn off Mobile data, then turn it back on. The UNAUTHORSIED Sim worked!!! 

My previously locked to Three UK GT-I9505 is now unlocked to all networks  Thanks again to XDA (Y)


----------


It has been reported that this is indeed a "permanent" unlock:

artnada's tests:

I had sim unlocked my phone when I was on the "djemby" pre-rooted I9505XXUAME2-DEODEXED-KNOX-FREE-HD-VOICE

I have just re-flashed my original factory Three ROM. I9505XXUAMDC_I9505H3GAMD6_I9505XXUAMDC_HOME and the Sim unlock was still UNLOCKED!

I then re-flashed back to I9505XXUAME2-DEODEXED-KNOX-FREE-HD-VOICE.tar.md5 and the sim unlock was still UNLOCKED!

So, I think we can safely say this sim unlock method is a permanent unlock!

Mod Edit

In order to get this to work ,you need modem ME2... follow this :


Quote:
Originally Posted by LordLink

Finally I managed to sim unlock my phone after 10 days of experiments



I have a Samsung Galaxy S4 GT-i9505 LTE with Android 4.4.2 bought from France (XEF):

  1. I rooted my phone using CF-Auto-Root
  2. I flashed with Odin the ME2 modem only (XXUAME2 for my case) using the CP/PHONE bouton - find the list in this thread
  3. I used RegionLock Away as described in this post

Thanks to all members of XDA





----------

Credits:
royskeyz
djembey
artnada
Last edited by malybru; 13th July 2014 at 01:46 PM.
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17th May 2013, 12:26 PM   |  #2  
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Quote:
Originally Posted by chavxxx

Tested only on Samsung Galaxy I9505

Instructions:

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.






Credits:
royskeyz
djembey


hi

tried this on my I9505 locked to EE Uk - dosnt work
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17th May 2013, 12:55 PM   |  #3  
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Hungary T-mobile?
Last edited by torrente777; 4th September 2013 at 07:55 AM.
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17th May 2013, 01:05 PM   |  #4  
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Quote:
Originally Posted by shub

hi

tried this on my I9505 locked to EE Uk - dosnt work

did you follow the steps correctly? why give it another try, follow the steps one by one. just to make sure.
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17th May 2013, 01:07 PM   |  #5  
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working on my o2 uk, i can use my three sim now, thanks
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17th May 2013, 01:08 PM   |  #6  
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Quote:
Originally Posted by torrente777

Hungary T-mobile Perfect!!THX

you're welcome... Enjoy your unlocked S4... a simple THANKS will do...
Last edited by chavxxx; 17th May 2013 at 01:11 PM.
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17th May 2013, 01:11 PM   |  #7  
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should i have any sim inserted ? or without sim?
17th May 2013, 01:13 PM   |  #8  
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Quote:
Originally Posted by chavxxx

you're welcome... Enjoy your unlocked S4... a simple THANKS will do...

done, kababayan
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17th May 2013, 01:14 PM   |  #9  
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Quote:
Originally Posted by galaxy1026

working on my o2 uk, i can use my three sim now, thanks

you're welcome... a simple THANKS will do...



Quote:
Originally Posted by shub

should i have any sim inserted ? or without sim?

you can do it with an accepted sim inserted or you can try inserting a non accepted sim, when greeted with the ENTER UNLOCK PIN just press dismiss then follow the steps.
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17th May 2013, 01:20 PM   |  #10  
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Quote:
Originally Posted by chavxxx

you're welcome... a simple THANKS will do...





you can do it with an accepted sim inserted or you can try inserting a non accepted sim, when greeted with the ENTER UNLOCK PIN just press dismiss then follow the steps.

tried with and without working sim - still no luck - so far ive tried 5 times....

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