• A logo sits illuminated outside the Nokia pavilion on the opening day of the World Mobile Congress at the Fira Gran Via Complex on February 22, 2016 in Barcelona, Spain.

A logo sits illuminated outside the Nokia pavilion on the opening day of the World Mobile Congress at the Fira Gran Via Complex on February 22, 2016 in Barcelona, Spain. (Photo : Getty Images/ David Ramos)

After the Nokia brand's epic return on the mobile market with the release of its Nokia 6, Nokia 5, Nokia 3, and the revamped Nokia 3310, HMD Global is expected to release new phones under its mid-range portfolio. Right now, the mentioned devices that are next in line are the Nokia 7 and Nokia 8 with latest leaks revealing some of their key specs.

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Earlier reports on the Nokia 7 and Nokia 8 had already been out in the web with details revealing the phones' key specs. Some famous specs rumored to be included in the next Nokia-branded phones are Qualcomm's upcoming Snapdragon 660 mobile chipset.

Now, another wave of the key specs on Nokia 7 and Nokia 8 are revealed. The latest information came from a user named Nokibar on Chinese site Baidu, where the schematics for the upcoming Nokia-branded phones are posted.

According Value Walk, the design sketches show both the front and rear of the handsets. The new feature seen on the sketches of the Nokia 7 and Nokia 8 phones is their Carl Zeiss lenses. Since the Carl Zeiss lenses missed the spot on the early releases of HMD Global, the company stated that future devices could have it on board.

Following the schematics, the sketches reveal the "Zeiss" text sitting on the center where the rear camera is placed. In addition, another sketch shows a different setup, which shows dual camera setup. The smartphone is highly expected to be the Nokia 8, which will be the more premium device of the two, NDTV reported.

As per previous leaks, the Nokia 8 is rumored to be the high-end phone while the Nokia 7 will be marketed in the mid-range segment. The former is rumored to feature a 5.7-inch Quad HD display, with 6GB of RAM that is coupled with 4GB or 128GB of built-in storage and a microSD card slot.

On the other hand, the Nokia 7 will sport a smaller display with 1080p resolution. Based on many leaked images, both the smartphones are expected to come in a metallic unibody finish and thin bezels. The Nokia 7 and Nokia 8 will run on Android Nougat firmware and will support a fingerprint sensor and fast charging support as well.

In terms of their processors, the Qualcomm Snapdragon 660 chip might have custom Kryo cores or could pack a combination of four Cortex-A73 CPUs clocked at 2.2GHZ and four Cortex-A53 CPUs clocked at 1.9GHz.

As of now, no details on the launch and availability of the Nokia 7 and Nokia 8 are known. HMD Global is likely to release the two Nokia-branded phones sometime in May.