How to use iPhone w/ AT&T sim card, but without data plan? Change APN/IMEI #?

Discussion in 'iPhone Tips, Help and Troubleshooting' started by longchina, Jun 21, 2011.

  1. longchina macrumors newbie


    Jun 21, 2011
    Hello MacPeople :apple:,

    I was given a free iPhone 3G in a very good condition, and I wanna use it with my current AT&T sim card. But after using for a few weeks, I received a msg from AT&T: "Did you know a data plan is required for your iPhone? …… We have added the appropriate data plan [to your iPhone]." But I just don't want the data plan, b/c almost all the places I go have free Wi-Fi.

    So, I started to research on how to use iPhone without data plan (but with AT&T sim card). There are two things I found may help to solve this problem: first, change the APN; second, change the IMEI #.

    I've changed my APN by using "", but I did not find a way to change my iPhone's IMEI #.

    So, I need you help; do you think only the change in APN will solve this matter? Or it won't help, I still need to change IMEI #? If so, how should I change my IMEI #? :confused:
    My iPhone has a Baseband (BB) of 06.15.00, and Bootloader (BL) of 6.2_M3S2 running oniOS 4.21.

    Thank you in advance!
    A thankful person
  2. Applejuiced macrumors Westmere


    Apr 16, 2008
    At the iPhone hacks section.
    The IMEI cannot be changed and the APN doesnt make any difference.
    If you use an iphone 3G, 3GS or iphone 4 on an AT&T post paid plan the system will detect it and add a data plan automaticly.
    Only way to avoid that is to go with prepaid AT&T gosims or use it on Tmobile.

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