Zeppelin is a jailbreak tweak that allows you to change the carrier from AT&T or Verizon or what ever carrier you may have. The tweak lets you choose an icon that changes instantly when selected in the settings. It’s a fun tweak that allows you to
personalize your phone even more to your liking. This can only be used on a jailbroke device so look for Zeppelin in Cydia, you will need to have the Modmyi source the find this tweak.
add this source to find it…