vivo NEX S has Android 8.1 (Oreo), It offers an internal memory of 128/256 GB with 8 GB RAM, It presents a screen of 2K HD resolution, It comes with a battery capacity of 4000 mAh .

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vivo NEX S specifications

General

6449 Announce date : June, 2018
6449 Release date : June, 2016
6449 Height × Width : 162 mm x 77 mm (6.38 x 3.03 in)
6449 Thickness : 8 mm (0.31 in)
6449 Weight : 199 g (7.02 oz)
6449 SIM : Dual SIM (Nano-SIM, dual stand-by)
6449 Colours : Black, Red
6449 Also known as : vivo NEX Special Edition, NEX Ultimate

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Display

6449 Display type : Super AMOLED capacitive touchscreen, 16M colors
6449 Screen size : 6.59 inches (~86.0% screen-to-body ratio)
6449 Resolution : 1080 x 2316 pixels [ 2K HD resolution ]
6449 Pixel density : (~388 ppi pixel density)
6449 Multitouch feature :   yes
6449 Funtouch OS 4 :   yes

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Camera & Video

6449 Rear camera : Dual : 12 MP (f/1.8, 1/2.5″, 1.4µm, dual pixel PDAF, 4-axis OIS)
6449 Rear camera : + 5 MP (f/2.4, no AF, depth sensor), dual-LED (dual-tone) flash
6449 Camera features : Geo-tagging, touch focus, face detection, HDR, panorama
6449 Video : 2160p@30fps, 1080p@30fps [ 4K UHD video ]
6449 Front camera : Pop-up 8 MP (f/2.0)

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Memory

6449 Internal Memory : 128/256 GB
6449 RAM : 8 GB RAM

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Battery

6449 Battery type : Non-removable Li-Ion
6449 Battery capacity : 4000 mAh

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Platform

6449 Operating System : Android 8.1 (Oreo)
6449 Chipset : Qualcomm SDM845 Snapdragon 845
6449 Processor : Octa-core (4×2.7 GHz Kryo 385 Gold & 4×1.7 GHz Kryo 385 Silver)
6449 Graphics : Adreno 630

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Network

6449 2G bands : GSM 850 / 900 / 1800 / 1900 – SIM 1 & SIM 2 & CDMA 800 /
6449 2G bands : 1900 & TD-SCDMA
6449 3G bands : HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
6449 4G bands : LTE
6449 Speed : HSPA 42.2/5.76 Mbps, LTE-A (4CA) Cat16 1024/150 Mbps
6449 GPRS :   yes
6449 EDGE :   yes

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Sound

6449 Alert types : Vibration, MP3, WAV ringtones
6449 Loudspeaker :   yes
6449 3.5 mm jack :   yes
6449 32-bit/192kHz audio :   yes
6449 Active noise cancellation with dedicated mic :   yes

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CONNECTIVITY

6449 WLAN : Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
6449 Bluetooth : 5.0, A2DP, LE
6449 GPS :   yes, with A-GPS, BDS, GNSS
6449 USB : 2.0, Type-C 1.0 reversible connector, USB On-The-Go

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Features

6449 Sensors : Fingerprint (under mounted), Accelerometer, Compass, Proximity,
6449 Sensors : Ambient light sensor, Gyro
6449 Messaging : SMS (threaded view), MMS, Email, Push Mail
6449 Browser HTML5 :   yes
6449 MP3/WAV/eAAC+/Flac player :   yes
6449 MP4/H.264 player :   yes
6449 Document viewer :   yes
6449 Photo/video editor :   yes
6449 Fast battery charging 22W :   yes

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vivo NEX S disadvantages

6449 Java :   No
6449 Radio :   No
6449 Removable battery :   No
6449 Protection for the screen :   No
6449 Water & Dust resistant :   No
6449 Temperature sensor :   No
6449 Expandable memory :   No