Two new concept images of the upcoming iPhone 6 and 5S as well as the rumoured iPhone Mini emerged online.

A Russian site known as AppleInsider created a new concept for the upcoming iPhone 6. Along with a few different illustrations, the site released a video that fully displays the proposed specifications for the iPhone 6.

The concept version features a wider 4.2-inch screen display. It also features with a mini-jack and microphone at the bottom and has a back plate that is almost identical to the one found on the previous model. Stereo speakers are located at the bottom of the back. The new concept has multiple colors including black, white, yellow, orange, red, purple, blue, and grey.

Another concept courtesy of Peter Zigich showed three images of the iPhone Mini, an iPhone 6 (or iPhone 5S) and a big-screened behemoth which we've dubbed the iPhablet.

All three share the same principles of edge-to-edge screens and removed front home buttons, but the home button itself has made its way to the side, with one on each side to cater for both left and right-handed users.

According to rumors, Apple may unveil a major iPhone and a low cost handset, dubbed as iPhone 5S, in June.

Apple are expected to include an improved camera in the iPhone 6 and/or iPhone 5S which is rumoured to be capable of taking "Super HD" pictures. In order to take snaps at that resolution it'll need to have at least a 13 mega-pixel camera.

The lack of NFC support on the iPhone 5 was one of the biggest criticisms aimed at Apple's smartphone. The iPhone 5S could include support for the contact-less technology which can be used to pay for items in retail stores.

Other features rumoured to be included in the handset is the A7 quad core chip processor, Retina or IGZO screen display among others.

See the slideshow for the concept images of the upcoming iPhone 6 and 5S.

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