My device: -iPhone 3G -baseband 5.12.01 -running on 3.1.3 firmware -jailbroken -unlock Here's my problem: - I want to update my device on the latest firmware 4.0.1. - what am I supposed to do? - can I still activate my device? Because I thought apple won't allow to activate the device in any sim card in the market. - what kind of jailbreak do I use in order to activate my device? - can I unlock 4.0.1? Anyone can help me please. .. Thank you so much!