The latest version of Fuzzyband supports iphone 3.1.3 to downgrade 5.12.01 baseband to the older 04.26.08. You can do this even if you have upgraded your iphone firmware 3.1.3 from itunes. After Downgraded iphone baseband you can use Ultrasn0w to unlock your deveice.

Note: This is only for iphone 3G users who running iphone OS 3.1.3 , baseband 5.12.01 with 05.08 bootloader.
Here's a Step by Step guide

Step 1: 1st of all jailbreak your iphone 3G running firmware 3.1.3 with these tools.
[You must be registered and logged in to see this link.] v1.5, [You must be registered and logged in to see this link.] 0.9.4 or [You must be registered and logged in to see this link.] 3.1.5

Step 2: After jailbreak you iphone 3G, Now go to "Cydia" on your iphone and search for "Fuzzyband" and intall this application.


Step 3: Start "Fuzzyband" and touch on "Downgrade" button for downgrade your baseband 5.12.01 to 04.26.08.

Step 4: After dwongrade your baseband now you can unlock your iphone 3G using the Ultrasn0w
Tính chất đơn giản trình bày rõ nét >>ko cần dịch nguồn ST