Firmware Fallback with Security#

OTA firmware update mechanism remains the same in case of secure firmware fallback. Secure firmware update can be done by enabling the security in the firmware image using the Manufacturing Utility (Refer to the UG574: SiWx917 SoC Manufacturing Utility User Guide). The process of firmware update remains the same for Non-secure and Secure firmware updates, except that in the case of secure firmware image, integrity checks are performed.

For more information:

• Refer to SiWx917 Encrypted Execute in Place (XiP) Application Note for details on secure firmware update

• Refer to SiWx917 SoC Firmware Update Application Note for information on firmware update mechanisms for SiWx917 SoC