Cr@ck iBlacklist 7.0.3 full

6. iPhone may start in safe mode. (thats ok just keep it in safe mode)
7. Go to iBlackList 6.1 cra@ked and Launch it.
8. Press button Cr@ck Me, and Press Cra@k Me Now at the Activation Screen then Quit.
9. Open iFunbox or iTools and navigate to "var/mobile/library/iBlacklist" and copy those 3 files.
iBlacklist.sqlitedb
iBlacklistFake.sqlitedb
TempHistory.sqlitedb
10. Go to Cydia and Remove iBlackList 6.1 cr@cked
11. Restart iPhone
12 install iBlackList 7.0-3
13. Restart iPhone
14. Do Not Launch iBlackList 7.0-3 yet.
15. Now copy back those 3 files that you backed up from step 9. (YOU CAN DELETE THE ONES ON THE PHONE FIRST TO MAKE THINGS EASIER)
16. Open Flex 2.
17. Tap the + button on the top right.
18. Find iBlackList.

19. Tap on it, tap on "Add New Patch" , tap on iBlackList.
20. It'll ask you to process it. Process it and wait for a while until it's done.
21. Tap on iBlackList once it's done and on the search bar on top search "license".
22. Tap on every result you see (there should be 4).
23. Go back all the way to the start & look for the patch named "iBlackList Patch" and turn it on.
24. Reboot iPhone
25. Start iBlackList 7.0-3, and press about, you will see it is a Registered version

Link gốc: http://www.sinfuliphone.com/showthread.php?p=1059146
Măc dù là tiếng Anh nhưng cũng khá dễ hiểu. Bạn nào không rõ thì cmt để cùng giải quyết nhé. ;)