The Apple iPhone 7 Plus with 128GB storage is a 2016 smartphone featuring a 5.5-inch Retina HD display, dual 12MP rear cameras with 2x optical zoom, and an A10 Fusion chip.

iPhone 7 Plus, the best, packed with unique innovations that improve all the ways iPhone is used every day. The new iPhone 7 plus features advanced camera systems that take pictures like never before, more power and performance with the best battery life ever in an iPhone, immersive stereo speakers, wide color system from camera to display, two new beautiful finishes, and is the first water and dust resistant iPhone.

The completely redesigned cameras shoot incredible photos and videos day or night, the A10 Fusion chip is the most powerful chip on any smartphone while delivering the best battery life ever in an iPhone, and an entirely new stereo speaker system provides twice the sound, all within the first water and dust resistant iPhone.

The device’s internal hardware received upgrades, including a heterogeneous quad-core system-on-chip with improved system and graphics performance, upgraded 12 megapixel rear-facing cameras with optical image stabilization on all models, and an additional telephoto lens exclusive to the iPhone 7 Plus to provide enhanced (2x) optical zoom capabilities and portrait mode. The front camera is the first in the series with 1080p (Full HD) video resolution.

Key Specifications:
• Display: 5.5-inch IPS LCD (1920 x 1080 pixels)
• Processor: Apple A10 Fusion (64-bit)
• RAM: 3GBStorage: 128GB
• Rear Camera: Dual 12MP (Wide and Telephoto) with 2x optical zoom
• Front Camera: 7MP
• Water Resistance: IP67 dust/water resistant

The 1600 was part of a range that Nokia called its Ultrabasic series, released in June 2005. It was developed specifically for growth markets of China and India as well as targeting prepaid sales in mature markets. It went on to be one of the best-selling mobile phones of all time with sales of more than 130 million units.

The phone was designed with a particular emphasis on ease-of-use, delivering a user interface with animated graphical icons and large font sizes to make navigation as simple as possible for first-time mobile phone users. The phone also featured a speaking clock and alarm, which announced the time in a range of languages. The 1600 also had a ringtone composer which allows owners to create their own ringtones.

The device included a demo mode which delivered an on-screen visual guide to the main phone functions. The demo mode also allowed consumers to play the pre-installed games or hear the speaking clock without the need to insert a SIM card into the phone.

Released on March 18, 1999, the original Nokia 3210 is a legendary cultural icon and one of the best-selling mobile phones in history, with over 160 million units sold worldwide. It revolutionized mobile communication by targeting younger generations and shifting phones from rigid business tools into fashionable personal accessories.

Key Features and Design:
• Internal Antenna: First major mass-market consumer phone to drop the protruding external stub.
• Swappable Covers: Featured customizable Xpress-on front and back fascias made from durable ABS and polycarbonate.
• Predictive Text: Introduced T9 predictive text input which made writing text messages fast and easy.
• Built-in Games: Came with three pre-installed games, most notably the legendary Snake, alongside Rotation and Memory.
• Personalization: Allowed custom ringtones and included a ringtone composer.

Nokia 515 Dual SIM is a premium feature phone released in September 2013, known for its sleek aluminum body and classic alphanumeric keypad.

The Nokia 515 is a mobile phone made by Nokia and the successor of the 6700 classic. It was announced on 28 August 2013 and was first made available to Russia, Germany, Switzerland and Poland. Compared with its predecessor, it featured updated Bluetooth support, a higher capacity battery, an integrated Whatsapp application and Panorama support in the camera application.

A Dual SIM variant was available, with 3G support limited to one of the two SIM slots. The 515 is distinguished primarily with it having an anodised, sandblasted aluminium body and a display protected with Gorilla Glass 2.

Key Specifications:
• Display: 2.4-inch TFT screen with 240 x 320 resolution and Corning Gorilla Glass 2 protection.
• Camera: 5 MP rear camera with LED flash and panorama mode (no front camera).
• Battery: Removable 1200 mAh (BL-4U) battery offering up to 912 hours of standby time on 2G.
• Memory: 64 MB RAM and 256 MB internal storage, expandable up to 32 GB via microSD.
• SIM Support: Dual Micro-SIM support, where the secondary SIM slot is limited to 2G networks

Design and Build:
• Material: Crafted from a sand-blasted, anodized aluminum block for a matte finish.
• Weight: 101.1 grams.
• Dimensions: 114 x 48 x 11 mm

Connectivity and Features:
• Network: Supports 3.5G/HSDPA speeds up to 7.2 Mbps on the primary slot.
• Connectivity: Bluetooth 3.0 and Micro-USB 2.0.
• Audio: Stereo FM radio with RDS and recording capabilities, plus a 3.5mm headphone jack.

The Nokia 5310 is a classic-style feature phone built for music. It comes with dual front-facing speakers, dedicated music buttons, an MP3 player, and an FM radio. It runs on the Series 30+ Operating System and supports 2G connectivity.

Key Specifications:

Display and Design:
• Screen size: 2.4-inch QVGA display (320 x 240 pixels)
• Size: 123.7 x 52.4 x 13.1 mmWeight: 88.2 g

Hardware and Memory:
• Processor: MediaTek MT6260A
• RAM: 8 MB
• Storage: 16 MB internal storage, expandable up to 32 GB via microSD card slot

Camera and Audio:
• Rear camera: VGA (0.3 MP) with LED flash
• Audio: Dual front-facing speakers, dedicated music control keys, and a 3.5 mm headphone jack
• Radio: FM Radio (wired or wireless depending on the version)

Battery and Connectivity:
• Battery: 1200 mAh removable battery
• Battery life: Up to 7.5 hours talk time; up to 22 days standby
• Connectivity: Bluetooth 3.0 and Micro-USB
• SIM: Dual SIM (Mini-SIM)