I've been looking for a way to update the sd card via ota, but only found how to update the device from sd card.
To make it clear: I have HTML files on the sd card and likes to update this files in the same process while I do an OTA on the device. So that all data on the device and the sd card are ...

I tried the OTA Example but it starts only once. How can i restart the process again? I have tried esp_ota_set_boot_partition(factory_partition) but it generates an stack overflow error.