I am on Sprint at the moment but I want to change carriers cause Sprint is no good. Can I flash the phone to another carrier and will it all work or just calls and text and no web? Please somebody help my mother want to change carriers and i dont want to loose my phone or buy a new one.
Not possible on other GSM domestic US providers. The SIM card slot on the Note 2 is not accessible and even if it were and it was unlocked, it would only be unlocked for International SIM cards (ala Motorola Photon...original, not Q from last year).
Now, when you say "full functions," I'm not sure what you mean. But, the easy answer is that you would not be able to use 4G LTE, as the radios built into the Sprint Note 2 are made specifically for Sprint LTE spectrum. All US domestic providers have different mhz signals for their LTE connection.
For example, if you were to purchase an unlocked GSM phone and insert a SIM card from a GSM provider (e.g. T-Mobile/ATT), you would not necessarily be able to use LTE (even if the unlocked international GSM phone had LTE radios built in). There are small exceptions, where some of the frequencies for International LTE would be the same, but I can't remember which provider that would apply to.
Bottom line - When you say "full funcitons," it's possible unless you're talking about data conectivity. That's where it gets complicated and the easy answer would be, "No."
Simple google search on "GSM", "CDMA", or "Unlocked Phone" should get you a wealth of information that can help you become more knowledgeable on the subject matter.
