<> just to show the message start and finish
IPSF SW:
>POST http://backoffice.iphonesimfree.com:49973/precheck HTTP/1.1
User-Agent: CFNetwork/152.4
Accept: */*
Accept-Language: en
Accept-Encoding: gzip, deflate
Content-Type: application/octet-stream
Content-Length: 15
Pragma: no-cache
Connection: keep-alive
Proxy-Connection: keep-alive
Host: backoffice.iphonesimfree.com:49973

01124500XXXXXXX<

if the IMEI is not in DB then

IPSF Server:
>HTTP/1.1 500 Internal Server Error
Connection: Keep-Alive
Content-Type: text/html
Content-Length: 21
Date: Wed, 12 Sep 2007 05:05:29 GMT
Server: lighttpd/1.4.16

internal server error<

if the IMEI is in DB then

IPSF Server:
>HTTP/1.1 200 OK
Connection: Keep-Alive
Content-Length: 0
Date: Wed, 12 Sep 2007 05:08:40 GMT
Server: lighttpd/1.4.16<

IPSF SW Prepare for Unlock and collect some data to send it again to the server

IPSF SW:
http://backoffice.iphonesimfree.com:49973/process HTTP/1.1
User-Agent: CFNetwork/152.4
Accept: */*
Accept-Language: en
Accept-Encoding: gzip, deflate
Content-Type: application/octet-stream
Content-Length: 10292
Pragma: no-cache
Connection: keep-alive
Proxy-Connection: keep-alive
Host: backoffice.iphonesimfree.com:49973

01124500XXXXXXX LTOKEN1.0< there is som extra binary data here


since yesterday I try to solve this but I am to sleepy some one complete the metion

this is a valid IMEI : 011245003012877 still not Unlocked try it

* And now I Know that DEV they release iUnlock