Updated SAM Unlock Guide [How to]

Factory AT&T iPhone Unlock

Have you heard that updated SAM unlock brings many errors fixes that can appear during iPhone unlocking process? If not then use this post for more information about that because here I show you how to use updated SAM avoiding activation errors.

When you have unlocked your iPhone using SAM and saved your activation ticket (use this guide to save it quickly) then you had to noticed that it had not been very easy. SIM card had to be putted in iPhone to locate your IMSI number (this was the first thing where became troubles), activation and deactivation process lasted long with selecting you country and carrier. Also you was needed to be connected to iTunes to verify your IMSI number and other boring things.

how to use updated SAM

With updated SAM 0.1.16-1 you can bypass all these problems and unlock your iPhone quickly. You can also check SAM troubleshooting here. I wrote this guide for those who want to change Carrier and unlock iPhone quickly. You have to know that if you need or want to change your SIM card then you have to perform SAM unlock again.

Updated SAM 0.1.16-1 Fixes

  • No need iTunes
  • No need your SIM card during unlocking process
  • No need IMSI number

So now I show you how to use updated SAM just follow my steps.

How to Use Update SAM Without IMSI number

Step 1. Go to Cydia and install SAM package using this repository:


use updated SAM

Step 2. After adding repo, go to Sources and find SAM package.

Step 3. Install SAM.

Step  4. After installing SAM on your iPhone enter your SIM card and launch SAMPrefs icon on the homescreen.

Step 5. Go to the Utility and tap Attempt Activation button and will see box saying “Please wait …. this may take a while”.

how to use SAM

Note: If there is no Attempt Activation button then try to be patient, because it is occasionally delayed.

Wait till your iPhone resprings and then you will see signal bars appear. After that you may be sure that iPhone unlocked.

And that’s it. You have just unlocked your iPhone with updated SAM.

However if you see an error message that asks you to select the original carrier of your SIM ID. You can also use this these steps but better follow my guide below because it is much simpler and appropriate updated SAM:

How to Fix SAM Error

Step 1. Take out your Sim

Step 2. Launch iFile ( if you need to install iFile then go here) and head to:


tap Edit in the top right-hand corner, and choose Lockdown, and tap the zip button to generate a back-up of Lockdown. Browse to the bottom to make sure that a copy zip was made. Now get rid of the Lockdown folder.

Step 3. Go to:


Look for SAM and delete this file:


fix Sim ID errorStep 4. Reboot your iPhone.

Step 5. Put in your unofficial Sim.

Step 6. Launch SAMprefs go to Utilities and tap Attempt Activation. After receiving the dialog that say that it can require some time your iPhone will respring.

When you see the signal of your Carrier you can be shore that you have just successfully unlocked your iPhone using SAM. Also now you know how to use updated SAM and can do it again every time you need

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Комментариев: 30 to “Updated SAM Unlock Guide [How to]”

  1. Dan says:

    Does this mean Sam is working again due to no connection to iTunes?

  2. paco says:

    how to delete this file

  3. Kristian says:

    This only work for people there have saved activation ticket right?

    • Ndrey says:

      That's right, only with saved ticket. If SAM unlock works on your device right now you can save the ticket anytime you like, just follow the instructions on our site.

  4. vince says:

    No way to succeed !! I tried this post too… It always tells me "activation reports error : activationinfo rejected. You must select the original carrier SIMID of your phone" I already tried with the specific post : http://www.letsunlockiphone.com/sim-card-supporte… but still doesn't work …..

  5. vince says:

    (using an iphone 3Gs maybe that's why it doesn' work ?)

  6. Jean says:

    It does not work, tried several times and nothing happend. I also delete the file com.bingner.sam.plist, tried attemp activation and the it respring but it was still locked

  7. Qumbar says:


    I just was able to get the activation work, but still there is no service….

    i just clicked on revert lockdown to stock, the attempt activation and pass this step, but there is no service yet, any advice?

  8. Ndrey says:

    You can unlock your iPhone with SAM if you saved your activation ticket

  9. pete says:

    I´ve got an iPhone 4, version 5.1.1, modem firmware 04.12.01. I did not work.
    even download iFile.

  10. Anthony says:

    Sorry for bothering you but I just downloaded SAM and there is no such an option in Utilities as Attempt Activation. It's just not there. Now what?

  11. Daehan Lee says:

    hi i currently bought second hand iphone 4 from malta. and i did not realize that it was locked by "Soft Bank" which is Japanese company. i tried to do it now and i got problem since i downloaded "Sam" it makes my mobile reboot. After reboot, the mobile reqire activation and can't get out from that screen.
    what can i do? and is it possible to unlock Softbank iphone 4 iso 6 Base band 04.12.02? let me kow

  12. nizam says:

    hi i have i phone4 ios 5.1.1 n bb is 4.12.01 is lockd on 3uk how do i unlock using sam…i try to unlock it by sam but no network after activet it…n how do i save activation tikate on my pc….hlp pppllllzzzz

  13. Sadiq says:


    Just wanted to confirm if SAM unlock works for IPhone 4 bb 4.12.05..???

  14. shemaju says:

    my firmware version 04.12.05 , i cannot activate , please help me


  15. jojo[phil] says:

    hello everyone, i have an iphone 4s 6.1.2, i jailedbreak it and installed sampref, when i attemp for activation, it just respring and stil un activated but there is 3-4 signal bars showing but the name of carrier doesn't show up,

    • pophoney says:

      same here jojo, have iphone 4s locked to KDDI AU Japan, ver 6.0 baseban 3.0.04
      i did the same thing but it just resprung and stil unactivated but there is full signal bars showing but the name of carrier doesn't show up

  16. ali says:

    hi there i have iphone 4, ios 6.1.2, baseband 04.12.05. i have never used SAM thing before, so i dont have the ticket thing, will i still be able to unlock?

  17. sana says:

    is this sam working…? because i heard that the apple has blocked the sam servers…

  18. Justin Time says:

    P lease be VERY CAREFUL when following this site’s instructions because you may end up with a BRICKED iPhone! I followed very vague instructions in THIS site and now my iPhone is bricked.