Hello, yesterday i bought iphone and restore to 1.1.1 but i can not unlock everybody knows.... ok my question is how to restore to 1.0.2 version. I download the old itunes 7.3 and when i try to restore the itunes download the right version 1.0.2 its like 91Mb the new is 151Mb after that start to restore but the mistake "The iphone "iphone" can not be restore.an unknown error occurred (1)." Can somebody help me what to do. The mistake comming after extracting software finished. Thank you.