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  1. Spalacios's Avatar
    Works on all Firmware versions!

    About H20 Wireless...

    1.) Jailbreak iPhone 4 ALL IOS VERSIONS!

    2.) Install "TetherMe APN Editing" from Source on Cydia.

    ^ (This will enable the "Cellular Network Tab on your iPhone 4 in order to get the MMS and Internet settings for carrier!)

    3.) Insert H20 SIM

    4.) Go to Settings, General, Network, Cellular Network Tab, and put these settings..

    APN: att.mvno

    MMS Proxy:

    MMS Max Message Size: 614400

    MMS UA Prof URL:

    If not refer to this video and obtain settings guy is using at the end of video..

    [ame=]YouTube - H20 MMS and DATA Easy Fix[/ame]

    5.) Toggle airplane mode a couple of times or reboot

    6.) Enjoy!

    You should be able to send and receive picture messages, and internet on 3G network running.

    Last edited by Spalacios; 2011-04-24 at 06:04 PM.
    2011-04-24 06:02 PM