• Headquartered in Cupertino, Calif., Apple Inc. designs, develops, and sells consumer electronics, computer software, online services, and personal computers.

Headquartered in Cupertino, Calif., Apple Inc. designs, develops, and sells consumer electronics, computer software, online services, and personal computers. (Photo : Reuters)

The Apple invites are out for a September 9 event that will unveil the iPhone 6S and 6S Plus. Then in the immediate weeks ahead, the actual release date will follow. But it might be good to wait for the iPhone 7 in 2016 instead.

Here are the reasons why:

S phase

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Apple insider Ming-chi Kuo of KGI Securities has initially declared that 2015 is quite different that Apple will make a full jump from iPhone 7 to iPhone 7, meaning there is no S phase or the iPhone 6S will be skipped. But Kuo's readings changed. He eventually said that the iPhone 7 will have to wait until 2016.

Essentially, the KGI analyst is saying that the big bumps that Apple fans are waiting for will have to wait another 12 months.

Identical

Apple-focused site Apple Insider is in agreement with Kuo that "the new iPhone 6s series is expected to be largely identical to the current iPhone 6 lineup." The look, build and design will be the same that give little or no reason at all for iPhone 6 and 6 Plus users to upgrade.

No 32GB model

And like the iPhone 6 of 2015, the 6S will retail starting at 16GB storage configuration, basing on the retail packaging information obtained by NowhereElse.fr. Apple fans wanting to have more storage space will have to opt for the 64GB edition and that translates to paying a bit more of cash.

Same pricing

Dutch blog site TechTastic is claiming in a report, per Phone Arena, that the unlocked 16GB iPhone 6S will sell at $650, the 16GB 6S Plus at $750. Before biting, Apple fans can consider waiting for another year and pay same starting price but likely getting the iPhone 7 beginning at 32GB.

Or for those still on the iPhone 5S, wait out until the 6S becomes official then grab the iPhone 6 that Apple will most likely discount by as much as $100.

iOS 9 is no big step up

The last time Apple boosted its mobile operating system was the leapfrog from iOS 6 to iOS 7. The iPhone 6 running on iOS 8 is not regarded as a major step up and experts are convinced that the same can be expected of the iOS 9 this 2015.

Apple, however, is promising stability and performance boosts for this year's mobile OS upgrade but nothing huge in the cosmetic side.

Key bumps to come internally

Yet for those who insist taking the iPhone 6S and 6S Plus for a spin on release date, the changes are coming from within, Apple Insider said, pointing to "Force Touch input, a faster A9 processor, higher-quality cameras and a forward facing flash for selfies," as among the upgrades to expect.