gosund % python -m esptool --port /dev/ttyUSB0 --chip auto read_flash  0 0x100000 firmware2.bin                                                                                                                                   leo@dell:/home/leo/gosund | Code 2 | 20:26:03
esptool.py v3.0
Serial port /dev/ttyUSB0
Connecting........_____....._
Detecting chip type... ESP8266
Chip is ESP8285
Features: WiFi, Embedded Flash
Crystal is 26MHz
MAC: c4:dd:57:0d:2c:de
Uploading stub...
Running stub...
Stub running...
1048576 (100 %)
1048576 (100 %)

A fatal error occurred: Digest mismatch: expected 9B60686A442B0A68591CFB54D28B867B, got 458345CAB9C61F97AAB45943ED64C234