I'm trying to up date my software but I had a message saying your phone its been modified what exactly they mean by that?

[Estrella123]

I'm trying to up date my software on my note 3 , but all I have is a message, your device has been modified software updates are not available

 

[popatim]

Did you root or jailbreak it?

 

[maryamkh]

maybe this can help you:

http://dinezhshetty.blogspot.co.uk/2013/09/solved-your-device-has-been-modified.html