I had the same issue because SoftRF firmware was installed before shipping.
Do not use the ESPHome-Flasher.exe, but instead erase the flash completely and reflash afterwards meshtastic via command line:
esptool.py --baud 921600 erase_flash
esptool.py --baud 921600 write_flash 0x1000 system-info.bin
esptool.py --baud 921600 write_flash 0x00390000 spiffs-1.2.xx.bin
esptool.py --baud 921600 write_flash 0x10000 firmware-tbeam-1.2.xx.bin