Apple's slogans for the original iPhone were "Apple reinvented the phone" and "This is just the beginning".

Apple's slogan for iPhone 3G is "the first phone to beat the iPhone" or "the iPhone you've been waiting for".

Apple's slogan for the iPhone 3Gs is "the fastest and most powerful iPhone so far".

Apple's slogan for the iPhone 4 is also quite bold: "This has changed everything. Here we go again. "

Apple's slogan for the iPhone 4s is "The most amazing iPhone so far".

Apple's slogan for the iPhone 5 is "The biggest thing ever happened to the iPhone".

Apple's slogan for the iPhone 5s is "forward thinking".

Apple's slogan for the iPhone 5c is "Colorful". (for colorful)

Apple's slogan for iPhone 6/6 Plus is "Bigger than bigger".