Hi Angus,

Any update on this?

Hi Angus, Sorry for the late reply. As of now, we have replaced the esp32 chip. Did you flash Secure Boot in "One-time flash" mode? If so then I'm afraid Secure Boot is behaving as designed and is preventing the device from booting a modified bootloader. It's not possible to disable flash encryption...

Hi Angus, Is it possible the flash chip has enabled hardware write protection somehow? Or that the FLASH_CRYPT_CNT efuse had been burned already before flashing of the plaintext firmware was done? How we can enable Hardware write protection? From the menuconfig ? We have used the same binaries in al...

Hi WiFive,
Thanks for the response.

Is there any way we can recover it?

Is there any way to get idea what is the hardware issue?

Hi,
Any update on this issue?

Hi, I did the following steps to perform secure boot and flash encryption. ESP IDF Version: release-v3.2 1. Generate secure boot signing key and flash encryption key. 2. Burn flash encryption key. 3. Enabled secure boot(One time flash) and flash encryption from the menuconfig 4. Build binary 5. Flas...