Many people have asked us how to change “iPod” (in the top-left corner of your screen) to your carrier’s name – or to anything, really.
It’s fairly simple to do.
Navigate to /System/Library/CoreServices/SpringBoard.app.
There will be a file called N81AP.plist.
Open it in Notepad or TextEdit and search for
Just under it, you’ll see
Save the file and close iFunbox/iExplorer.
Now go to Phone.app, under Settings, and tap “Respring”.