MDM6610

MDM6610 in an iPhone 4S

This is the Qualcomm MDM6610 baseband chip used in the iPhone 4S.

Baseband Firmware

The firmware for the baseband chip comes in Trek-X.X.XX.Release.bbfw files (with X being the version). The BBFW file is just a renamed standard ZIP archive and contains a couple of .mbn files which are all digitally signed with a certificate from Qualcomm. Qualcomm's Senior Engineer Shital Mehta is involved with the programming of the firmware. The amss.mbn file is an Template:Wp file:

OSX file command output

file Trek-1.0.11.Release/amss.mbn 
/Trek-1.0.11.Release/amss.mbn: ELF 32-bit LSB executable, ARM, version 1, statically linked, corrupted section header size

Known Firmware Versions

iPhone 4S

1.0.11   5.0     (Build 9A334)
1.0.12   5.0.1b1 (Build 9A402)
1.0.13   5.0.1b2 (Build 9A404)
         5.0.1   (Build 9A405)
1.2.01-1 5.1b1   (Build 9B5117b)

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