Do you want to activate iPhone 4 / 3GS on iOS 4.3.1 and iOS 4.3 using SAM? Well, As we know previously SAM was broken on iOS 4.3.1and iOS 4.3. Now the good news is it has been fixed by SBingner. When you will try to revert the lockdown to stock, now it will not throw Stockification Failure error. Now simply follow the step by step instructions posted below to activate iPhone 4 / 3GS on iOS 4.3.1 and iOS 4.3 using SAM.
How to Activate iPhone 4/3GS on iOS 4.3 & iOS 4.3.1 Using SAM
STEP 1. First you have to install SAM on your iPhone by following the steps posted here.
STEP 2. Now you have to disconnect your iPhone from Mac or PC.
STEP 3. From the Springboard of your iPhone, simply open SAM app.
STEP 4. Now you have to tap on the Utilities menu and then tap on Revert Lockdown to Stock button. After some time you will be able to see Stockification Success message.
STEP 5. Now you have to go back to the main menu by simply tapping the SAM button.
STEP 6. Simply plug your iPhone to Mac or PC via USB cable and then start iTunes.
STEP 7. Now iTunes will generate legitimate activation packets for your iPhone. For this you have to wait for some time.
STEP 8. You can sync and backup your iPhone after iTunes completes generating legitimate activation packets for your iPhone.
STEP 9. iTunes will throw error 1631 after syncing and backing up your iPhone. Simply ignore this message.
STEP 10. Now simply open SAM app and then click on the More Information menu.
STEP 11. Now you can see ActivationState as WildcardActivated.
STEP 12. Now you have to download iPusher app from App Store and check if Push Notifications are working perfectly or not.
STEP 13. Simply open YouTube app on your iPhone. Now it will not throw “Cannot connect to YouTube” error.
That’s it. In this way you can activate iPhone 4 or iPhone 3GS on iOS 4.3 and iOS 4.3.1 using SAM. If you found any difficulty in following the above steps then feel free to ask in the comments section below. [Via]