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How To Unlock iPhone 4S, iPhone 4 on iOS 5.0 or Up

This is a big news for iPhone 4S and iPhone 4 users. Earlier, a Chinese iPhone hacker Loktar_Sun has released a solution for unlocking a jailbroken iPhone using Sam Bingner’s SAM (Subscriber Artificial Module) package. This SAM unlock method should work with all baseband versions.

I’m not able to test the method on my iPhone 4S as it’s a factory-unlocked version. However, the method has been verified on U.S. carriers by the iPhone Dev team member musclenerd as well as another iPhone blogger.

What You Need

To unlock your iPhone 4S or 4 using the SAM approach, you need to have:

1. A jailbroken iPhone running on iOS 5.0 (or up) with cydia installed.
2. The latest version of iTunes installed on your computer with Internet connection.

Procedures to Unlock Your iPhone

1. Launch cydia and add the repo (repo.bingner.com) to your Cydia source. Then install SAM and SAMPrefs.

2. After the installation completes, open SAM. Go to Utilities, and tap Deactivate. Your ActivationState under “More Information” should now be “Unactivated”.

3. Go back to the SAM main menu, and tap More Information. Under SIM Details copy your IMSI number.

4. Remove your SIM card and put in the SIM you wish to use (e.g. T-Mobile).

5. With SAM enabled, tap Method, and select By Country and Carrier. Go back a menu, and select the correct country and then the correct carrier for your SIM card.

6. Go back to More Information, and tap Spoof Real SIM to SAM. Under SAM Details, delete the current IMSI number and replace it with the one you copied in step 3.

7. On the SAM main menu go to Utilities, and tap Attempt Activation. Your iPhone should respiring.

8. Open SAM again and disable SAM. Close SAM.

9. Next, launch iTunes and plug in your iPhone to your computer. You should receive a message stating that it failed to activate your device, this is normal, just click ok. Just wait for a moment and you will see the carrier logo for your new SIM.

Be patient. You may have to unplug it and plug it in a few times.

Congratulation! You’ve unlock your iPhone and make it work with your preferred carrier. According to the developer of the hack, Push notifications may stop working after this procedure. However, it can be easily restored with “clear push” utility in SAM followed by connecting to iTunes.

SAM Unlock iPhone

Remember to leave us comment and tell us if the unlock method works for you.

[via iDownloadBlog]

About Simon Ng

Founder, developer and chief blogger of simonblog.com

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25 Responses to How To Unlock iPhone 4S, iPhone 4 on iOS 5.0 or Up

  1. ibindar April 25, 2012 at 11:29 am #

    do i need the original simcard before the unlock proces begin’..and now i am in U.S and i am using simcard from indonesia

    • Nick September 12, 2012 at 2:16 pm #

      No need. Use Absinthe to jailbreak, then follow these instructions. I didn’t have a SIM When i did mine, and i haven’t got a new SIM to use yet, but so far it has all worked just fine.

  2. Gabriela Mejia April 25, 2012 at 7:46 pm #

    YES YES YES!!! I LOVE U SiMON!!! You are mY hero!
    I have been trying to unlock my at&t iPhone 4 GSM to use in Madrid?Spain since months ago!
    The instructions worked liked a charm! :-) Just had a little problem on number 7 when “tap Attempt Activation” it said did not match the carrier, so went back to Method, and selected “AUTO DETECT”. Then Attemp Activation again and… voilá! :-)
    The iPhone went off and on and there was the carrier logo, when I plugged to iTunes it was already working.
    I’m YOUR BiGGEST FAN!!!

  3. LeighF April 25, 2012 at 11:17 pm #

    Works for me – iPhone 4 running 5.1 (tethered JB).

    Like Gabriela Mejia using Country/Carrier did not work, using Auto did work.

    hurrah!

    Thanks!

  4. MOstafa April 28, 2012 at 12:33 am #

    when i dowload iPhone1,2_4.2.1_8C148_Restore.ipsw

    and after unzip it find all files but i can not find the (.ipsw) extention file

    How can I find it ??

    thank you

  5. hoang le April 28, 2012 at 1:10 pm #

    is it true apple blocked the activation servers? is that why i couldn’t use sam to unlock my iphone?

    • Gabriela Mejia April 28, 2012 at 5:33 pm #

      NOT TRUE!
      I unlocked another one!
      iPhone 4 Baseband 04.11.08 IOS 5.0.1 untethered
      BUT YOU MUST HAVE
      “1. A jailbroken iPhone running on iOS 5.0 (or up) with cydia installed.”

      • kelly chan May 4, 2012 at 1:09 am #

        Gabriela,

        did you save the sam unlock ticket? can you tell me the file size? i saved mine and the file size is 23.6kb. when i opened it with iFile the sam unlock ticket file size shows 17.2kb. the reason i asked is i’m no longer able to unlock my 4s after i powered it off.

        • Gabriela Mejia May 4, 2012 at 1:23 am #

          No i did not save the ticket. Don’t try other instructions.. try the ones in this page, i tried others and just complicated myself.
          One more thing, I just went to the web of the developer of the hack:
          http://laforeta.blogspot.co.nz/2012/04/how-to-spoof.html
          And he wrote this:
          “THIS METHOD NO LONGER WORKS AS OF Apr.28, 2012; activation records will remain valid for three years from the day of activation”
          ???

  6. Johnn April 30, 2012 at 8:51 am #

    doesn’t work for me, i launched itunes and then plugged in…. nothing show up except for the auto run menu.. i tried it again a few more times… nothing still

  7. Daniil May 23, 2012 at 8:26 am #
  8. David May 28, 2012 at 2:44 am #

    Hello. I tried to unlock my iPhone 4(bb 04.11.08) and got an error “ActivationInfo rejected. You must select the original SIMID of your phone.” There’s only one option for SIM ID, and I can’t enter another one. Anyone could help with that? Thanks.

  9. anje May 29, 2012 at 10:19 am #

    dosnt work with me
    when I After the installation completes, open SAM. Go to Utilities, and tap Deactivate. Your ActivationState under “More Information” should now be “Unactivated”.

    I tab deactive it say ok but when I going to more information it is still active

  10. YGB May 30, 2012 at 1:01 pm #

    Hey !! I have a iPhone 4s from Verizon i purchased out of the store i still have Verizon Service so i was able 2 get it Factory Unlocked on 5.0.1 FW, Everything went GOOD But now when i try 2 put my T-Mobile Micro Sim in my iPhone 4s it’s not working !! Kan u please HELP ME !!

    • Gabriela Mejia May 30, 2012 at 6:24 pm #

      THIS METHOD NO LONGER WORKS AS OF Apr.28, 2012; activation records will remain valid for three years from the day of activation.

  11. Lemontart July 8, 2012 at 9:30 pm #

    Hey, the steps seem quite easy. I am thinking to try it but just wanted to confirm that will this unlock work in pakistan??

  12. Lemontart July 8, 2012 at 10:00 pm #

    Hey, the steps seem quite easy. I am thinking to try it but just wanted to confirm that will this unlock work in pakistan?? I’ve also tried many other things but it doesn’t seem to function

  13. Lisa August 6, 2012 at 12:33 am #

    Thanks for the guide Simon! I just bought a new iPhone 5 and can’t wait to try this later ;). Hopefully it will work for me.

  14. sultan September 12, 2012 at 8:01 pm #

    I have installed and configured accordingly. but itunes say not carrier supported. Can anyone suggest ?

  15. JillieDee November 6, 2012 at 11:40 am #

    This did not work for me. I finally decided to get some help and spent a little money to get my phone unlocked. I went to http://iphoneunlockgroup.com and spent $29 to get my phone unlocked. It actually works great now.

  16. matiias November 24, 2012 at 12:36 am #

    If you want to unlock your iPhone Visit: http://www.imei.info
    Here you can unlock your iPhone and also check unlock status for FREE

    • Jacob Orang December 14, 2012 at 4:58 pm #

      Free services are all crap, I wasted a lot time with them, you need to be a tech genius to work them , finally got my iphone unlocked through iphoneunlockgroup.com for just $29 well worth the price..

  17. Eyedea Digital February 23, 2013 at 5:00 pm #

    Hi everyone ,I had a I phone 4s i OS 6.0.1 ,I installed cydia and tried to unlock with Sam ,but I can,t activate the sim, when I open the i tune it give error message to use the original sim, plz suggest any solution to unlock my phone

    Ashraf

  18. Shahbaz February 25, 2013 at 4:47 pm #

    Can I unlock iPhone 4S baseband 3.4.01 ios 6.1

  19. Shahbaz February 25, 2013 at 4:48 pm #

    Can I unlock iPhone 4S baseband 3.4.01 ios 6.1

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