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General

NameXiaomi Redmi S2 (Redmi Y2)Walton Olvio MM25 -
ModelRedmi S2 (Redmi Y2)Olvio MM25 -
PriceTK. 14,990Upcoming-

Network

Network TypeGSM / CDMA / HSPA / LTE GSM -
Network 2GGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA - China 900 / 1800 MHz -
Network 3GHSDPA 850 / 900 / 1900 / 2100--
Network 4GLTE band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300)--
Network SpeedHSPA, LTE--
Network GPRSYesYes-
Network EDGEYesYes-

Display

Display TypeIPS LCD capacitive touchscreen, 16M Colors QQVGA display -
Display Size5.99 inches, 92.6 cm2 (~74.5% screen-to-body ratio 2.4 inches -
Display Resolution720 x 1440 pixels, 18:9 ratio 240 x 320 pixels -
Display MultitouchYes - MIUI 9.5Yes-
Display Density269 ppi density--

Camera

Primary CameraDual: 12 MP (f/2.2, 1.25μm, PDAF) + 5 MP, gyro-EIS, phase detection autofocus, LED Flash Digital Camera -
Secondary Camera16 MP, HDR, LED Flash--
Camera FeaturesGeo-tagging, Touch focus, Face detection, Panorama, HDR--
Video[email protected] 720p @30fps, 1280×720 pixels -

Body

Body Dimensions160.7 x 77.3 x 8.1 mm (6.33 x 3.04 x 0.32 in)--
Body Weight170 g (6.00 oz)--
Body BuildFront glass, plastic body--
Body ColorGray, Gold, Rose Gold Red, Blue, Black -

Launch

Launch AnnouncementMay, 2018 February 2021 -
Launch DateReleased May, 2018 Coming soon. Exp. release. February 2021 -

Platform

Operating SystemAndroid 8.1 (Oreo) Feature Phone -
CPUOcta-core 2.0 GHz Cortex-A53--
GPUAdreno 506--
ChipsetQualcomm MSM8953 Snapdragon 625--

Memory

Memory Internal32 GB, 64 GB 4 MB -
Memory ExternalmicroSD, up to 256 GB (dedicated slot) microSD, up to 16 GB -
Ram3 GB, 4 GB 4 MB -

Battery

Battery TypeNon-removable Li-Po Battery Li-Ion (Lithium Ion) -
Battery Capacity3080 mAh 1800 mAh -

Multimedia

Fm RadioYesYes-

Sound

AudioVibration, MP3, WAV Ringtones Vibration, Ringtones -
LoudspeakerYesYes-
3.5mm JackYes - Active noise cancellation with dedicated micYes-

Connectivity

WiFiWi-Fi 802.11 b/g/n, WiFi Direct, HotspotNo-
Bluetooth4.2, A2DP, LEYes-
USBmicroUSB 2.0 micro 2.0 USB -
GPSYes, with A-GPS, GLONASS, BDS--

Features

SensorsFingerprint-rear-mounted, accelerometer, gyro, proximity, compass--
MessagingSMS(threaded view), MMS, Email, Push Email, IM--
BrowserHTML5 HTML5 -
JavaNoNo-

Other

Made ByChinaBangladesh-
Other FeaturesMP4/H.265 player, MP3/WAV/eAAC+/FLAC player, Photo/video editor Document viewer 5V/2A 10W chargingBig Torchlight Torchlight Notification Keypad Light Notification Facebook Blacklist Whitelist-