Bootloader corrupted

[redpanda]

My ESP32 module reboots repeatedly with the error message below.

Code: Select all

E (598) esp_image: Checksum failed. Calculated 0xcb read 0xe4
E (598) boot: Factory app partition is not bootable
E (599) boot: No bootable app partitions in the partition table

It was caused by accidental power down during the flashing of the new firmware.
Seems to me the bootloader was corrupted.
The standard procedure that pressing BOOT key after reset (where bootloader enters flash update mode) has no function now.

How I can recover the module? Please help.

[WiFive]

It's not possible to corrupt the ROM bootloader so try holding boot then press reset

[redpanda]

It's not possible to corrupt the ROM bootloader so try holding boot then press reset

You are right. I should press the Boot and Reset keys, instead of the wrong Rec & Mode buttons.
My module is working now.
Thanks so much for your help, WiFive!