now the itunes can detect my devices.i go to computer management and disabled it after that i turn to automatic running.it works.
but now my problem is i cant downgrade to 3.1.2

i've download the firmware at the link given.but then it doesnt work.it says something an error it sounds like the firmware not compatible .
i keep repeat doing this.again and again.still same.dont know what todo.sighs

---

Added on February 12, 2010, 10:52 ami've read the forum.people says when u are on 3.1.3 u cant downgrade to 3.1.2.is it true?

---

Added on February 12, 2010, 2:57 pmi am done downgrading my firmware from 3.1.3 to 3.1.2.
phewww . getting started to iphone . know abit already .

---

Added on February 12, 2010, 3:15 pmhow to know my iphone is jailbreaked or not?
im using 3.1.3 and i have cydia after downgrade my baseband 5.12.1 to 4.something . is that means better stay with this firmware ?or better downgrade to 3.1.2 ?

---

Added on February 12, 2010, 4:32 pmif i have the cydia is that means i already jailbreak it?