Recent leaks have now surfaced regarding the 'iPhone 4S's' available models and the imminent launch date of the much anticipated "iPhone 5."

Vodafone in Germany has reportedly listed several different models and colors for the rumored "iPhone 4S" model. Leaked photos show a 8GB, 16GB, 32GB and 64 GB version of the phone up that may soon be sold. Two colors have also been shown being offered for all the models: black and white. All the listed "iPhone 4S" models are detailed below:

- iPhone 4 Black (8GB)
- iPhone 4 White (8GB)
- iPhone 4S White (16GB, 32GB, 64GB)
- iPhone 4S Black (16GB, 32GB, 64GB)

Vodafone is a known Apple partner and carrier of Apple's "iPhone 4", so both companies might already be planning for the Apple's next batch of smartphones.

Inventory listings for the "iPhone 4S" were also reportedly spotted on iTunes, but they have been taken down ever since news got out.

Another recent leak pertaining to Apple's "iPhone 5" is electronics carrier Radio Shack's internal memo leaking the device's offered models. The company's internal inventory page can be seen listing a 16-GB and a 32-GB model of the "iPhone 5."

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Cincinnati Bell has also listed the rumored device's upcoming models and "iPhone 5" specs on its website as well. The website notes the device's price of $639.99 plus its 4-inch display and 4G speed features.

Cellphone carrier Sprint has added more fire to the rumors about the expected launch date of the "iPhone 5." In an internal memo to company to employees, Sprint notified them that their vacations were blacked out between September 30 and October 15 due to the "possibility of a major phone launch."

Sprint is also said to be offering the "iPhone 5" with an unlimited data plan, so users may have more of an incentive to purchase the smartphone from them.

All eyes should be on Apple's press conference Tuesday for any news on its latest models of the "iPhone" and "iPad." The event is slated to start at 10 a.m. PST.