Baseband Firmware

The main instruction set of the baseband. You can get these files from /usr/local/standalone/firmware on the corresponding firmware's ramdisk.

The baseband version that comes with each iPhone firmware is listed on the firmware page, and also on the X-Gold 608 article for the iPhone 3G/3GS.

The EEP files is the external EEPROM file. The FLS is the firmware.

The iPhone 4 has a single baseband firmware file. For example, the 4.0 baseband firmware filename is ICE3_01.59.00_BOOT_02.06.Release.bbfw. This is actually a .zip file which contains four baseband firmware files. As of iOS version 4.2.1 the baseband version is now checked by iOS.

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