Step One
Press to launch
Settings from your Springboard.
Step Two
Press to select
General from the Settings Menu.
Step Three
Press to select
About from the General Settings Menu.
Step Four
From the about screen you can find your firmware version under the
Version label.
Scroll down and you can find your baseband version under the
Modem Firmware label.
iPhone Classic
Firmware = Baseband (Modem firmware)
1.0.0: = 03.11.02_G
1.0.1: = 03.12.08_G
1.0.2: = 03.14.08_G
1.1.1: = 04.01.13_G
1.1.2: = 04.02.13_G
1.1.3: = 04.03.13_G
1.1.4: = 04.04.05_G
2.0: = 04.05.04_G
2.0.1: = 04.05.04_G
2.0.2: = 04.05.04_G
2.1: = 04.05.04_G
2.2: = 04.05.04_G
iPhone 3G
Firmware = Baseband (Modem firmware)
2.0: = 01.45.00
2.0.1: = 01.48.02
2.0.2: = 02.08.01
2.1: = 02.11.07
2.2: = 02.28.00
2.2.1: = 02.30.03
IF THIS POST HAS HELPED YOU PRESS THANKS