1. oneninertb's Avatar
    I wanted to try Windows Phone so I got a prepaid 635 from AT&T. I really like the phone and the OS and I would like to get a better phone but stick with a no contract phone. If I get an unlocked higher end Nokia/Windows Phone, as long as SIM card is the same type, can I swap from the 635?

    With an unlocked phone, where do the OS updates come from? MS or the provider of service?

    07-15-2015 09:03 PM
  2. xandros9's Avatar

    You can even cut down the SIM to nano-SIM size if you need to, although YMMV.

    OS updates for unlocked, unbranded phones comes direct from MS.
    mary beth hale and oneninertb like this.
    07-15-2015 09:59 PM
  3. mary beth hale's Avatar
    Been using unlocked,unbranded phones for a few years now and switching sim cards works fine. I currently have a 930 and a backup 635. Nano sim and micro sim. I just use a sim adaptor. It's a bit nerve wracking the first time using the sim cutter though. :/ It's nice not depending on a carrier for updates.
    Edit: Be aware there is a difference between unlocked and unbranded. For ex: An "unlocked" AT&T phone,even if used on another carrier, will still get updates thru AT&T. "Unbranded" are usually international models. You may not get stuff like LTE. Have to check which bands are supported.
    Last edited by mary beth hale; 07-16-2015 at 10:29 AM.
    oneninertb likes this.
    07-15-2015 10:13 PM

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