Gigaset C430 Hacking¶

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• Gigaset C430 Hacking

The C430HX/A phones use a Dialog/Renesas SC14441 SoC, which is a fully integrated DECT handset IC, with all peripherals built in.
The firmware is stored on an external Quad-SPI flash chip (MX25U1635E), 2 MByte.

The CPU inside the SC14441 is a CompactRISC CR16c plus-architecture.

The firmware can be modded by unsoldering the SPI flash chip and flashing it in an external programmer: