Can I downgrade to 1.1.2 and KEEP it that way?

[mrat93]

1.1.3 is too buggy for me to handle. Whenever I try using the first steps of the downgrading process, I get the "Invalid SIM" error. I assume that would be fixed once upgrading to jaibreaking 1.1.3 again. But yeah, is there any way to downgrade to 1.1.2 (maybe jailbreak it), and keep it there with no errors? Thanks.

 

[nickspohn]

Nope. Upgraded baseband and going back to the previous one will leave your phone unactivated.

You'll have to hold out until Apple releases the next firmware.