Enter the concept of —which in this context we will define as Embedded Firmware Recovery Protocol .
But here is the bug: The crash happens after the bootloader hands off. The bootloader sees a valid signature. It doesn't know the app is brain-dead. easy firmware efrp
You push an update to 10,000 devices. The update corrupts the NVS (Non-Volatile Storage) partition. The application boots, sees invalid config, and panics. The watchdog resets. Repeat. Enter the concept of —which in this context
This is not hard. This is discipline. But most vendors skip it because it "wastes" flash space. If your firmware is so "Easy" that it requires a proprietary PC app and a USB driver from 2009 to recover, it is not easy. sees invalid config