shit !!!! now i cannot restore back my ori 2.2.1.... it hanged at the green color shirt uncle ! 

yo guys,

for xp3, there's a way to fix the 1604.

http://hubpages.com/hub/Fixing-1604-iPhone...e-Restore-Error

this is simplest without reinstall itunes or watsoever.

alright now im sucessful to send/receive mms.
b4 that it was failes, after try several time n read thru all the forumers post so this is how i done for it.

1) installed from cydia.
2) follow miskol step create the custom APN
    - use iphone go to this website www.unlockit.co.nz/#

3) To Enable Carrier Bundle Support in iTunes 8.2 (Windows)
    - follow the step http://forum.lowyat.net/topic/752226
    - i using iPhone_3.0_Maxis_my.ipcc.zip

after did the setting above i still hav some problem to sending out mms
refer i post ealier (post 55)

4) go to www.unlockit.co.nz/# again download the software
5) create a new profile n fill up this setting
  - APN: net
    Username: maxis
    Password: wap

after the step 5 if still not work follow by step 6

6) go to APN
    - (which is download in www.unlockit.co.nz/#)

7) full fill the setting
    -Cellular Data:
APN: net
Username: maxis
Password: wap

MMS
APN: net
Username: maxis
Password: wap
MMSC: https://172.16.74.100:10021/mmsc
MMS Proxy: 202.75.133.49:80
MMS Max Message Size: 307200

done! then try again...
hope this can help those ppl still cannot work.
anyway im maxis postpaid user.

I tried to install Active2Gmms,after that using iphone go to unlockit.co.nz,
following the step create a profile.with
APN:digiwap
usename:(blank)
password:(blank)
however i still can't send or receive mms.
Any step I miss?