We are happy to announce that a Chinese hacker known as loktar_Sun has finally managed to give us all the iPhone 4 baseband 4.11.08 unlock and we are also happy to announce that the unlock is free of charge.

So, if you are interested in having the iPhone 4 baseband  4.11.08 unlock, then you can read the tutorial below.

Unlock 4.11.08

Follow these steps and you will be able to get the iPhone 4 baseband 4.11.08 unlock

Step 1. The first thing you need to do is go to Cydia and install SAM. All you need to do is go to ‘Cydia’ then ‘Manage’ and then ‘Sources’ and at the top right corner press the edit option and enter:


Step 2. After you have installed SAM, you will be able to see it on your Springboard. Press SAM to launch it. However, you need to make sure that you have the SIM card which you want to use in your iPhone.

Unlock 4.11.08 Baseband

SAM – 4.11.08 unlock

Step 3. After you have entered SAM, navigate to utilities and then select ‘De-Activate iPhone’. The ActivationState under ‘More Infromation’ will now be inactivated.

Deactivate Unlock

Unlock 4.11.08 baseband

Step 4. Once, SAM has been enabled, go to ‘By Country and Carrier’ present in ‘Method’ and then select your carrier. You might need to select the ‘SIM ID’ for carriers operating with more than one Carrier ID. This is easy for you to figure out when you notice that iTunes will not activate if the wrong IMSI has been selected.

Unlock iPhone 4 baseband 4.11.08

Step 4 Unlock iPhone 4 baseband 4.11.08

Step 5. Navigate your way to ‘More Information’ and write down or copy the IMSI in the ‘SAM Details’ and then tap the option, ‘Spoof Real SIM to SAM’.

Step 6. Now, go back to the main screen of SAM and then change the ‘Method’ to manual. Now, enter or paste the IMSI string which was saved during step 5th.

Step 7. Using iTunes connect your iPhone to the computer in order to reactivate your device. Simply double tap the ‘Phone Number’ present at the main screen of the device in order to make sure the ICCID matches with the one present on your SIM card. If the match isn’t exact, you’ll need to again start from step 1.

Step 8. Now, close iTunes and then unplug the iPhone 4 and disable SAM.

Step 9. Again connect the iPhone 4 to iTunes and you will see a message telling you that it can’t be activated. Close it and open it again.

Step 10. The signal bars lets you know that the iPhone 4 baseband 4.11.08 has been unlocked.

See Also: Factory Unlock ANY Phone by IMEI

Some of you might experience a problem at step 7 as you might be shown a message: SIM card not compatible. No need to worry, as there is a guide for this as well.

By following these steps, you will be able to successfully get the iPhone 4 baseband 4.11.08 unlock.