AT+CIPCSGP=1,"Server IP"
at+cipsend
mkd qwer <Enter> <ALT>+ <010>(on additional keyboard) <ctrl+z> //make dir
at+cipsend
> cwd qwer <Enter> <ALT>+ <010>(on additional keyboard) <ctrl+z> // change dir
at+cipsend
port ***,***,***,***,7,228 <Enter> <ALT>+ <010>(on additional keyboard) <ctrl+z> // (port in high an low bytes 7*256+228=2020), ***,***,***,*** - my IP
at+cipsend
> appe abc.txt //create or append to file
at+cipccon=2
at+cipsend
> text to file
at+cipccon=1
at+cipsend
> ABOR
.........................
// reconnect
at+cipsend
RETR abc.txt <Enter> <ALT>+ <010>(on additional keyboard) <ctrl+z> // read file