Apr 22, 2012
I have come across a tweet from @MuscleNerd about unlocking your iPhone using a package from the Cydia repo. The package is called Sam Bingner’s SAM (Subscriber Artificial Module) and can be downloaded from repo.bingner.com repository. The package and the unlock method has already been tested by @MuscleNerd and found to be working on his iPhone 4S. Take note that since we are talking about Cydia here you should know that you need to jailbreak your iPhone for the Cydia package to work.
This is great news to all iPhone users searching for ways to unlock their iPhone to work on another GSM network. Additionally, the SAM unlock method doesn’t need any hardware for the trick to work sparing your wallet from spending extra bucks. The only downside of using this Cydia package is that it will only allow you to use the SIM card that you use to unlock your phone with, making it impossible to switch between SIMs.
If you want to proceed and want to unlock your iPhone even if you are not allowed to switch between different SIMs, just follow the instructions below. The instructions presented here were originally posted by Laforet at laforeta.blogspot portal. I copied and paste it here for your convenience. Credit goes to the Chinese iPhone hacker Loktar_Sun for successfully using this trick and was expounded by Laforet in his blog.
- Jailbroken iPhone (not blacklisted)
- iTunes with internet connection
- Name of the carrier were your iPhone is locked to (optional)
- Step one: Install Sam Bingner’s SAM (Subscriber Artificial Module) package. I recommend that you get it from repo.bingner.com since older versions have a different interface and may not work for this purpose.
- Enter SAM by either going through the settings menu or find the SAMPrefs icon on your springboard. You will need to have the SIM card you intend to use in your phone.
- Go to utilities and select “De-Activate iPhone”, your ActivationState under “More Information” should now be “Unactivated”
- With SAM enabled, choose “By Country and Carrier” in “Method”; find your carrier, for some carriers operating more than one Carrier ID you may need to select “SIM ID”; easy to tell since iTunes will not activate if the wrong IMSI is selected.
- Go to More Information”, copy or write down the IMSI in “SAM Details”, then tap “Spoof Real SIM to SAM”.
- Go back to the main SAM screen and change your “Method” to manual. Paste or enter the IMSI string we saved in Step 5.
- Connect your iPhone to your computer and allow iTunes to do its job (namely re-activating your phone), double click “Phone Number” parameter at the main device screen and make sure that the ICCID matches that of your SIM card. If not you need to start over from Step 1.
- Unplug your phone, close iTunes.
- Disable SAM. The source article says to uninstall SAM and delete your lockdown folders; it’s unnecessary.
- Connect your phone to iTunes again; you should get an error saying that your phone cannot be activated. This is normal. Just close iTunes and open it again.
- You should see signal bars in a short time, congratulations.
- Push notifications may stop working after this procedure but can be easily restored with “clear push” utility in SAM followed by connecting to iTunes.
- Backup your iPhone’s unlock activation ticket using RedSn0w as suggested by MuscleNerd himself.
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