SAM Unlock is here and free. SAM- Subscriber Artificial Module- This is a free software unlock for GSM sim card carriers. This unlock is available to iPhone 3GS, 4, and 4S on firmwares 5.0, 5.0.1, and 5.1. NOTE: iPHone 4S can not be unlocked on 5.1 due to no jailbreak.
Jailbreak iPhone 4 here: http://www.youtube.com/watch?v=GVkDKsmCsSs
Jailbreak iPhone 4S: http://www.youtube.com/watch?v=xgPDXoVVSG8
- Jailbroken iPhone 4, 4S, or 3GS
- The GSM sim card to be unlocked
Step 1: Install SAM via Cydia. Repo address: http://repo.bingner.com
Step 2: Insert your unofficial SIM card.
Step 3: Open SAMprefs, Go to Utilities:
- and click Deactivate
- then Attempt Activation
Step 4: Your device will respring, and it should recognize your unofficial SIM card. Check the troubleshooting below or check the tutorial video below.
If you receive a message that says: You must select the original carrier cSIMID of your iPhone, invalid sim, or anything else, try a reboot first then try the steps below.
Step 1: Remove your SIM card
Step 2: Open iFile and go to /var/root/Library. Tap edit in the upper right-hand corner, and select Lockdown, and tap the zip button to create a backup of Lockdown. Scroll to the bottom to ensure that a backup zip was created. Now delete the Lockdown folder.
Step 3: Navigate to /User/Library/Preferences and search for SAM. Delete the com.bingner.sam.plist file.
Step 4: Power down your iPhone and turn it back on.
Step 5: Insert your unofficial SIM card.
Step 6: Open SAMprefs go to Utilities and tap Attempt Activation. You will receive a dialogue stating that it may take a while. Your iPhone will respring.
Step 7: You should now be on your unofficial network. i.e. T-Mobile, etc.