Subscriber Artificial Module (SAM) is a new hack available in Cydia which will activate iPhone officially without official SIM card or hacktivation. SAM and RedSn0w 0.9.6b6, together, will help you fix the battery drain issue incurred after hacktivating iOS 4.2.1/4.1 with RedSn0w 0.9.6b5 or PwnageTool 4.1.3.
Sherif Hashim reports that Apple has blocked the trick to activate iPhone with Phonebook SIM card. Sherif Hashim is the same guy who found the trick to activate iPhone with Phonebook SIM card and exploit to unlock iPhone baseband.
Sherif Hashim has found a way to activate iPhone without the original SIM card. He has posted a video on how to activate iPhone 3GS, iPhone 4 and iPhone 3G without official carrier’s SIM Card. Sherif Hashim is the same guy who found the exploit to unlock baseband 05.12.01 and baseband 05.13.04.