how much per pack fo this maxis skmm?Anyone selling pls pm me?

Received my maxis skmm simpack today.when browsing the web celcom is smoother.download it can reached 2.2mb but with celcom not more then 400kbps.btw how topup the maxis skmm once the free 30 days is over?

Can someone help me.cant surf the internet with my maxis skmm.keep getting this message

We are sorry. In order to access the Hotlink Prepaid Broadband Portal: 
1. Your Maxis Prepaid Broadband or Hotlink sim card MUST be configured as follow: APN : bbnet 
2. If applicable, your HSPA Modem or mobile phone MUST be configured as follow: APN : bbnet Number to dial : *99# User ID : maxis Password : wap.
I already set as requested except "number to dail: *99#.cos cant find in my sgt 10.1.i've been using this maxis skmm for few days already,then stop using for 4day.today want to surf cannot.btw the expiry date is 26th april.