1. r3spect's Avatar
    i've just bought a 8820 t-mobile from US
    and im trying to use it in Singapore and its not going so well.
    it shows invalid sim card whenever i use my sim card when i use a 2g sim card it works fine. please help me on this.

    my carrier : STARHUB
    SIM CARD : 3g Compatible
    Model : 8820
    Phone UNLOCKED
    02-17-10 09:04 AM
  2. mitchknowsbest's Avatar
    Iuse my tmobile bold 9700 sim in my 8700 and it works. Its a 3G enabled phone so I believe your problem might be an international problem. This probably didn't answer your question but the 8820 isn't a 3G phone, but a sim is a sim so that shouldn't matter. Sorry

    Posted from my CrackBerry at wapforums.crackberry.com
    02-17-10 09:43 AM
  3. r3spect's Avatar
    haha actually it works. i forgot t check the mobile network status
    02-24-10 09:41 AM