If you’re unhappy with your current cellular carrier, there are a few simple steps you can take to change it on your iPhone. First, open the Settings app on your iPhone and scroll down to Cellular. Tap on the current carrier name and then tap Change Carrier. You’ll be asked to enter in your new carrier’s information. Once you’ve done that, tap Save. Your iPhone will now switch to using the new carrier name. If you have any existing phone numbers or contacts associated with your old carrier, they will likely still work after you make the switch. ..
