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General

NameOppo R15 Dream Mirror EditionLava Z61s-
ModelR15 Dream Mirror EditionZ61s-
PriceTK. 51,990Tk 13,000-

Network

Network TypeGSM / CDMA / HSPA / LTEGSM / HSPA / LTE-
Network 2GGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMAGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-
Network 3GHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 1900 / 2100-
Network 4GLTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300)-
Network SpeedHSPA, LTEHSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps-
Network GPRSYesYes-
Network EDGEYesYes-

Display

Display TypeAMOLED capacitive touchscreen, 16M ColorsIPS LCD capacitive touchscreen, 16M colors-
Display Size6.28 inches, 98.9 cm2 (~84.9% screen-to-body ratio5.0 inches, 68.9 cm2 (~69.2% screen-to-body ratio)-
Display Resolution1080 x 2280 pixels480 x 854 pixels, 18:9 ratio (~192 ppi density)-
Display MultitouchYesYes-
Display Density401 ppi density--
Display Screen ProtectionCorning Gorilla Glass 5 - ColorOS 5.0--

Camera

Primary CameraDual: 16 MP (f/1.7, 1/2.6`, 1.22 µm, PDAF) + 20 MP (f/1.7, 1/2.8`, 1 µm), , phase detection autofocus, LED Flash5MP-
Secondary Camera20 MP, f/2.0, 1080p2MP-
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panoramaLED flash-
Video[email protected][email protected]-

Body

Body Dimensions155.3 x 75 x 7.5 mm (6.11 x 2.95 x 0.30 in)143.0 x 73.5 x 10.35 mm-
Body Weight155.3 x 75 x 7.5 mm (6.11 x 2.95 x 0.30 in)160 grams-
Body BuildFront glass, ceramic body--
Body ColorCeramic Black, Dream Mirror RedGradient Black, Gradient Blue-

Launch

Launch AnnouncementMarch, 20182020, April-
Launch DateRelease April 1st, 20182020, April-

Platform

Operating SystemAndroid 8.1 OreoAndroid 9 (Pie) Star OS V5.0 lite-
CPUOcta-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)Quad-core 1.4 GHz Cortex-53-
GPUAdreno 512ARM Mali T820 MP2-
ChipsetQualcomm SDM660 Snapdragon 660UniSoC Spreadtrum SC9832E (32nm)-

Memory

Memory Internal128 GB16GB-
Memory ExternalmicroSD, up to 256 GB (uses SIM 2 slot)microSD, up to 128GB-
Ram6 GB 2GB-

Battery

Battery TypeNon-removable Li-Po BatteryNon-removable Li-Po-
Battery Capacity3400 mAh 3000 mAh-

Multimedia

Fm RadioNoYes-

Sound

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

Connectivity

WiFiWi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, HotspotWi-Fi 802.11 b/g/n, hotspot-
Bluetooth5.0, A2DP, LE, EDR4.2, A2DP, LE-
USBmicroUSB 2.0, USB On-The-GomicroUSB-
GPSYes, with A-GPS, GLONASSYes, with A-GPS-

Features

SensorsFingerprint/rear-mounted, accelerometer, gyro, proximity, compassAccelerometer, proximity-
MessagingSMS(threaded view), MMS, Email, Push EmailSMS(threaded view), MMS, Email, IM-
BrowserHTML5HTML5-
JavaNoNo-

Other

Made ByChinaIndia-
Other FeaturesFast battery charging: VOOC Flash Charge ,5V/4A MP4/H.264 player, MP3/WAV/eAAC+/FLAC player, Document viewer, Photo/video editorFace Unlock, Smart Gestures, Smart Saving Mode, Low Power Mode, Ultra Saving Mode, Google Play Store, Gmail Go, Youtube Go, Google Go, Google Assistant Go, Maps Go, Files Go, Whatsapp, Facebook Lite-