Anyway to jailbreak iPhone 4 with ios 4.2.1 with 3.10.1 baseband?

[hmk2005]

Anyway to jailbreak and iPhone 4 with ios 4.2.1 with 3.10.1 baseband?

 

[Applejuiced]

Yes, you can JB but not unlock.

 

[hmk2005]

I also need to unlock. Can I update to latest version by using a custom firmware from iclarified or somewhere?

 

[Applejuiced]

I also need to unlock. Can I update to latest version by using a custom firmware from iclarified or somewhere?

It cannot be unlocked no matter what you update or try to install.
Only way to use it on unofficial carrier would be by using a gevey turbosim adapter.

 

[rgarjr]

U can try unlocking with a Gevey SIM.

 

[hmk2005]

ty, will try Gevey SIM