iPhone 3GS settings for T-Mobile UK

Here are the settings required to use your T-Mobile sim in your iPhone 3GS. Note, the iPhone must already be jail broken and unlocked. Head over to iPhone Dev Team for more information on jail breaking.

  1. Using Safari browser on the iPhone, go to "help.benm.at" … scroll down to "Features" and select "Tethering"
  2. Scroll down the list of countries and select "Create your own Generator" IMG_0012
  3. Enter the following text in the "Carrierdata" form:

    Carriername: T-Mobile
    APN: general.t-mobile.co.uk
    User: user
    Password: pass


  4. Deselect the optional "Webclip" and click on Download.
  5. Accept and Install the settings … BUT DON’T reboot yet.
  6. Go into Settings > General > Network > Cellular Data Network > 
  7. Populate the fields as below:
    Note: Celluar Data should already be populated, but I’ve listed it here just in case.

    Cellular Data
    APN: general.t-mobile.co.uk
    Username: user
    Password: pass

    APN: general.t-mobile.co.uk
    Username: user
    Password: one2one
    MMSC: http://mmsc.t-mobile.co.uk:8002
    MMS Proxy

    Internet Tethering
    APN: general.t-mobile.co.uk
    Username: user
    Password: pass


  8. Exit out of these settings back to your home screen and perform a hard reboot (hold down Home and Power until the iPhone Reboots)
  9. Once rebooted you should be set. Send yourself an MMS message to check. Also in Settings > General > Network … you will notice "Internet Tethering" option.

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