Apple's upcoming iPhone 6s may come with a new NFC chip and 16GB of memory, based on leaked images of the smartphone's internals.

The iPhone 6s is undoubtedly one of the most anticipated smartphones of 2015. Apple has not yet confirmed a launch date for the handset, but rumors suggest that the company will launch the phone along with the bigger iteration dubbed iPhone 6s Plus in September this year.

The next-generation iPhones will definitely include new features and hardware, but Apple will not release details until the launch. However, leaked images from 9to5Mac hint that the iPhone 6s will include fewer but more efficient chips and will have some internal design tweaks.

Based on the leaked images, the iPhone 6s may get a new NFC chip from NXP labeled 66VP2, which is an upgrade from the existing NXP 65V10 chip. It is not clear what the new chip will offer, but experts claim that it will eliminate the need for a separate secure element processor, which means a reduced chip in the iPhone 6s.

9to5Mac reports that Apple will reduce the number of chips in the future iPhones.

"One section of the board that previously had in excess of 10 components has been pared down to 3 main chips, simultaneously cutting the number of parts and increasing the power efficiency of the ones that remain," reported 9to5Mac.

The CPU, flash memory and other components of the handset will benefit from the reduced number of chips in offering the same, or even faster, processing.

The base models of the iPhone 6 and iPhone 6 Plus are available in a 16GB internal storage option. The quality of apps and media is improving, which require more storage space. The latest iPhone 6 comes with 16GB, 64GB and 128GB storage capacity options. However, many 16GB iPhone users have complained that this amount of storage limit is not enough. Many iPhone users want Apple to omit the 16GB handset.

The leaked images show the innards of the iPhone 6s with 16GB of internal storage. However, a possibility exists that Apple is using the 16GB variant only for test models. The actual base model of the iPhone 6s may come with 32GB or 64GB storage options.

Usually, the "S" model of the iPhone does not bring along major external design changes to a handset, and it is expected to be the same in the case of the iPhone 6s. However, rumors suggest that the iPhone 6s may be 0.13mm thicker than its predecessor. Similarly, the iPhone 6s is also estimated to be 0.16mm taller and 0.13mm wider than the iPhone 6. These slight changes would be hardly visible to the human eye.

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