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General

NameXiaomi Redmi S2 (Redmi Y2)Oppo A55-
ModelRedmi S2 (Redmi Y2)A55-
PriceTK. 14,990Upcoming-

Network

Network TypeGSM / CDMA / HSPA / LTEGSM / HSPA / LTE-
Network 2GGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA - ChinaGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-
Network 3GHSDPA 850 / 900 / 1900 / 2100HSDPA 850 / 900 / 2100-
Network 4GLTE band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300)1, 3, 5, 8, 38, 40, 41-
Network SpeedHSPA, LTEHSPA 42.2/5.76 Mbps, LTE-A-
Network GPRSYesYes-
Network EDGEYesYes-

Display

Display TypeIPS LCD capacitive touchscreen, 16M ColorsIPS LCD Display-
Display Size5.99 inches, 92.6 cm2 (~74.5% screen-to-body ratio6.5 inches-
Display Resolution720 x 1440 pixels, 18:9 ratio720 x 1600 pixels, 20:9 ratio-
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 Flash13MP, f/2.2, 25mm (wide), 1/3.06", 1.12µm, PDAF
2MP, f/2.4, (macro)
2MP, f/2.4, (depth)
-
Secondary Camera16 MP, HDR, LED Flash16MP, f/2.0, (wide), 1/3.06", 1.0µm-
Camera FeaturesGeo-tagging, Touch focus, Face detection, Panorama, HDRHDR, panorama-
Video[email protected]1080p @30fps, 1920×1080 pixels-

Body

Body Dimensions160.7 x 77.3 x 8.1 mm (6.33 x 3.04 x 0.32 in)163.9 x 75.1 x 8.4 mm (6.45 x 2.96 x 0.33 in)-
Body Weight170 g (6.00 oz)186 g (6.56 oz)-
Body BuildFront glass, plastic body--
Body ColorGray, Gold, Rose GoldFairy White, Electric Black, Fancy Blue-

Launch

Launch AnnouncementMay, 2018Not announced-
Launch DateReleased May, 2018August, 2021-

Platform

Operating SystemAndroid 8.1 (Oreo)Android 10.0; ColorOS 7.2-
CPUOcta-core 2.0 GHz Cortex-A53Octa-core (4x1.8 GHz Kryo 240 & 4x1.6 GHz Kryo 240)-
GPUAdreno 506Adreno 610-
ChipsetQualcomm MSM8953 Snapdragon 625Qualcomm SM4250 Snapdragon 460 (11 nm)-

Memory

Memory Internal32 GB, 64 GB64GB ROM-
Memory ExternalmicroSD, up to 256 GB (dedicated slot)microSDXC (dedicated slot)-
Ram3 GB, 4 GB 4GB RAM-

Battery

Battery TypeNon-removable Li-Po BatteryLi-Poly (Lithium Polymer)-
Battery Capacity3080 mAh 5000 mAh-

Multimedia

Fm RadioYesNo-

Sound

AudioVibration, MP3, WAV RingtonesVibration, MP3, WAV ringtones-
LoudspeakerYesYes-
3.5mm JackYes - Active noise cancellation with dedicated micYes-

Connectivity

WiFiWi-Fi 802.11 b/g/n, WiFi Direct, HotspotWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot-
Bluetooth4.2, A2DP, LE5.0, A2DP, LE, aptX HD-
USBmicroUSB 2.02.0, Type-C 1.0 reversible connector, USB On-The-Go-
GPSYes, with A-GPS, GLONASS, BDSYes, with A-GPS, GLONASS, GALILEO, BDS-

Features

SensorsFingerprint-rear-mounted, accelerometer, gyro, proximity, compassFingerprint rear-mounted, accelerometer, proximity, compass-
MessagingSMS(threaded view), MMS, Email, Push Email, IMSMS(threaded view), MMS, Email, Push Email, IM-
BrowserHTML5HTML5-
JavaNoNo-

Other

Made ByChinaChina-
Other FeaturesMP4/H.265 player, MP3/WAV/eAAC+/FLAC player, Photo/video editor Document viewer 5V/2A 10W charging--