Today I awoke to find GoogleMaps not working reliable on my unlocked Blackberry 8800 via the T-Mobile network. After reading rumors about T-Mobile locking down the wap.voicestream.com APN I decided to switch to internet2.voicestream.com. This APN becomes accessible only if you have an Internet data plan. And it now works much more reliably, as does streaming FM via MFRadio.

How-To change APN on BlackBerry 8800

  • Options
    • Advanced Options
  • TCP
  • wap.voicestream.com —> internet2.voicestream.com

Some things I have learned so far:

  1. BlackBerry accounts support BIS
    • Note that this differs from BES which requires you have your own Blackberry Exchange Server (BES) and Exchange. These can be rented as a combo for under $20 a month if you so desire, I don’t.
    • Software must be coded to use BIS, most Blackberry specific software is, but not all
    • Direct TCP access is not available via BIS
    • For Java applications that do not use BIS and only support TCPIP you will need to subscribe to your mobile carrier’s Internet account
    • Some access is available through the carriers standard WAP interface. Be warned that WAP access for general TCPIP is a fluke and carriers are getting locking this down, more so for me as of(2007-04-24).
    • I have subscribed to a full data account for use via the Palm and Laptops so all I had to do was change my APN and things got much better
    • Summary
    • BIS : Blackberry specific applications, requires a Blackberry service from you Cell provider
    • BES : Blackberry Enterprise Server, requires a subscription like a above and mutually exclusive to BES. You need a corporate back end server of a separate subscription to use this. Most do not need this, I don’t.
  • TCP : Raw TCPIP access, for example Laptop connect, cellular modem, Blackberry Java applications coded to use only TCPIP. Often requires a separate Internet data account depending on you carrier, area, time of day, phase of moon, etc.

See also: Palm TX --> Bluetooth --> Blackberry 8800 --> TMobile