Ahead of pre-orders, prospective iPhone 6 buyers should make sure to check both their upgrade eligibility and their trade-in options for old devices.

Apple's iPhone 6 is available in 16, 64, and 128 GB capacities in the United States for $199, $299, and $399, respectively, with a two-year contract. Contract-free pricing begins at $649. Apple's higher-priced iPhone 6 Plus is available in 16, 64, and 128 GB capacities for $299, $399, and $499, respectively, with a two-year contract. Contract-free pricing on that device begins at $749.
Apple will be accepting pre-orders in the United States, Australia, Canada, France, Germany, Hong Kong, Japan, Puerto Rico, Singapore, and the UK, with the phones available in retail stores beginning on September 19.
