This app is grey with a gear icon on it. It’s near the top of the page. If your iphone 6 sim card slot replacement uses U.
English, this option will be called “Mobile Data”. Look for an option entitled “Cellular Data Network.
T ones, you’ll first have to tap Cellular Data Options before you can view the “Cellular Data Network” option. If your phone has a SIM card like this, proceed to the next method. Locate the SIM card slot.
Find a small paperclip and straighten it. The SIM tray will pop out. Do so gently, since both the SIM card and its tray are fragile. Remove the current SIM card and replace it with another carrier’s SIM card.