• Thanks for all for answers

    on this moment:
    esptool.py v2.3.1
    erase and flash - all ok

    flash id output:

    C:\Users\Joshua\Desktop\espruino>python "../esptool/esptool.py" --port COM46 flash_id
    esptool.py v2.3.1
    Connecting....
    Detecting chip type... ESP8266
    Chip is ESP8266EX
    Features: WiFi
    Uploading stub...
    Running stub...
    Stub running...
    Manufacturer: 20
    Device: 4016
    Detected flash size: 4MB
    Hard resetting via RTS pin...
    

    flash log and command line ooutput:

    C:\Users\Joshua\Desktop\espruino>python "../esptool/esptool.py" --port COM46--baud 460800 write_flash --flash_freq 80m --flash_mode qio --flash_size 4MB-c1 0x0000 "boot_v1.6.bin" 0x1000 espruino_esp8266_user1.bin 0x3FC000  esp_init_data_default.bin 0x3FE000 blank.bin
    esptool.py v2.3.1
    Connecting....
    Detecting chip type... ESP8266
    Chip is ESP8266EX
    Features: WiFi
    Uploading stub...
    Running stub...
    Stub running...
    Changing baud rate to 460800
    Changed.
    Configuring flash size...
    Flash params set to 0x006f
    Compressed 3856 bytes to 2763...
    Wrote 3856 bytes (2763 compressed) at 0x00000000 in 0.1 seconds (effective 482.0 kbit/s)...
    Hash of data verified.
    Compressed 533204 bytes to 351868...
    Wrote 533204 bytes (351868 compressed) at 0x00001000 in 7.9 seconds (effective 539.4 kbit/s)...
    Hash of data verified.
    Compressed 128 bytes to 77...
    Wrote 128 bytes (77 compressed) at 0x003fc000 in 0.0 seconds (effective 204.8 kbit/s)...
    Hash of data verified.
    Compressed 4096 bytes to 26...
    Wrote 4096 bytes (26 compressed) at 0x003fe000 in 0.0 seconds (effective 6553.5 kbit/s)...
    Hash of data verified.
    
    Leaving...
    Hard resetting via RTS pin...
    
    

    IDE still dont recognize board

    if i flash stock esp8266 4mb firmware - everething work ok, but without 'fs' support

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