CellularModem » History » Revision 6
If you are new to modems, or to the hardware and software architecture used in smartphones and tablets, it's a good idea to start from the freedom-privacy-security-issues article .
Once this is done, there are more documentation on various aspects of the Cellular modem, from the protocol to implementations details.
- BackupTheEFS: The EFS is a partition that contains modem data like the IMEI. If that partition is lost or corrupted, the modem doesn't work anymore, so be sure to backup it.
- QMI: This modem protocol is used at least in the Galaxy S 3 4G (GT-I9305) and the Galaxy Note II 4G (GT-N7105)
TODO: This list child pages but it doesn't have any explanation of the pages