How to connect internet on HTC Hero & MAXIS

Mobile HTC Hero
  1. Buy MAXIS SIM Card & Topup card(from RM10)
  2. call *100#
  3. HERO will show USSD menu -> push 8 (service) Enter
  4. service menu -> push 1 (mobile internet)
  5. mobile internet menu -> push 2 (1Day) *depends on how long time you use internet. minimum 1hr to 1 month
  6. subscribe menu -> push 1 (subscribe to 1day pass at RM8. limited to 500MB)

network configuration is bellow

Maxis 3G Internet
APN= unet
Username = maxis
Passowrd = ***

Last time, I could access by Broadband access 1day pass. but I couldn't in this time.
And,,, I could tethering with mobile internet...
customer support told me broadband service is for use line as modem.
(but nothing any problem without use it...so... no use? maybe)