Switching off Cellular data in iOS4

Discussion in 'iPhone Tips, Help and Troubleshooting' started by Sulwyn, Jun 8, 2010.

  1. Sulwyn macrumors member

    Apr 4, 2010
    This is more a confirmation than me having an actual problem. Anyway, I just updated my 3gs to iOS4 GMC and I'm wondering whether switching off cellular data over wifi will prevent my iphone from looking for a data network even if I take the phone off airplane mode. I'm about to spend a week in Japan touring with my family and we require a phone to use while there. However, I don't wanna pay $100+ due to my phone sending data coz I need keep my phone on during our vacation.

    In short, the question is whether I will be able to use my iPhone in Japan without having to pay tons of $ in data fees after switching off all cellular data.
  2. applerocks macrumors regular

    Jun 7, 2005
    If Data Roaming is set to off, your iPhone will not connect to any data service abroad. I was just in Europe, and my phone was on all the time, there was just no data. If I went to open email or the like, it would tell me to turn Data Roaming on first. No data charges! I could still connect to Wi-Fi just fine.

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