WEBFiles.bin - defult TCP2UART.

FLASH_DOWNLOAD_TOOLS Options (all size flash 512k..16Mbytes):
CrystalFreq: 26M
File: fullflash_webXXX.bin
SPI SPEED: 80/40 MHz
SPI MODE: QIO/DIO
FLASH SIZE: 4Mbit (512kbytes) ! 
ADDR: 0x00000 
BAUDRATE: 115200...576000

Upload WEBFiles.bin (all size flash):

1) Connect AP 'ESP8266', password '0123456789'
2) Explorer: http://192.168.4.1/fsupload (name and password from WiFi AP)
3) Select WEBFiles.bin file. Upload.

Or use WEBFS22.exe.
Set WEBFS22.exe Advaced Settings: 
Dynamic Files: *.htm, *.html, *.cgi, *.xml, *.bin, *.txt, *.wav
Do Not Compress: *.inc, *.ini, snmp.bib
 
