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General

NameOppo R15 Dream Mirror EditionWalton Primo ZX3 -
ModelR15 Dream Mirror EditionPrimo ZX3 -
PriceTK. 51,990Tk 24,990-

Network

Network TypeGSM / CDMA / HSPA / LTE GSM / CDMA / HSPA / EVDO / LTE -
Network 2GGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA GSM/GPRS/EDGE 850/900/1800/1900MHz -
Network 3GHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100UMTS 850/ 900/ 1900/ 2100MHz CDMA 2000 1x EV-DO (800 MHz)-
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)4G (LTE FDD 800/850/900/1800/2100/2600 MHz)-
Network SpeedHSPA, LTE GPRS / EDGE/ 3G /CDMA / HSPA+/4G (LTE) -
Network GPRSYesYes-
Network EDGEYesYes-

Display

Display TypeAMOLED capacitive touchscreen, 16M Colors IPS Technology with 2.5D Curved Glass -
Display Size6.28 inches, 98.9 cm2 (~84.9% screen-to-body ratio 6.0 inches -
Display Resolution1080 x 2280 pixels 1920x1080 (Full HD) -
Display MultitouchYesNo-
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 Flash13MP
5MP
-
Secondary Camera20 MP, f/2.0, 1080p 20MP -
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panorama LED flash -
Video[email protected]PDAF Sapphire Crystal Lens Coverf/2.0 Back-Illuminated Sensor(BSI) Auto-Focus,Manual Focus(Professional Mode) Touch Focus,Touch Shot ISO Control Exposure Compensation White Balance Presets Card Scanner Slow Motion Time Lapse-

Body

Body Dimensions155.3 x 75 x 7.5 mm (6.11 x 2.95 x 0.30 in) 166.4 x 83.3 x 9.1 mm -
Body Weight155.3 x 75 x 7.5 mm (6.11 x 2.95 x 0.30 in) 226 g (with battery) -
Body BuildFront glass, ceramic body Premium Metal Body Design -
Body ColorCeramic Black, Dream Mirror Red Blue: others -

Launch

Launch AnnouncementMarch, 2018Available-
Launch DateRelease April 1st, 2018Available-

Platform

Operating SystemAndroid 8.1 Oreo Android 7.0 -
CPUOcta-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260) 64 Bit, 2.5 GHz Octa-Core Processor -
GPUAdreno 512 Mali-T880 -
ChipsetQualcomm SDM660 Snapdragon 660--

Memory

Memory Internal128 GB 64GB -
Memory ExternalmicroSD, up to 256 GB (uses SIM 2 slot) Expandable Up To 256 GB -
Ram6 GB 4GB -

Battery

Battery TypeNon-removable Li-Po Battery Li-Ion (Lithium Ion) -
Battery Capacity3400 mAh 4550 mAh -
Charging- with 18w Ultra-Fast Charging -

Multimedia

Fm RadioNoYes-

Sound

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

Connectivity

WiFiWi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, Hotspot Dual Band WI-FI -
Bluetooth5.0, A2DP, LE, EDR Bluetooth V4 -
USBmicroUSB 2.0, USB On-The-Go Micro USB 2.0 -
GPSYes, with A-GPS, GLONASS GPS with A-GPS Network-Assisted GPS Navigation Fun -

Features

SensorsFingerprint/rear-mounted, accelerometer, gyro, proximity, compass Proximity, Magnetic Field (Compass), Orientation -
MessagingSMS(threaded view), MMS, Email, Push Email SMS(threaded view), MMS, Email, Push Email, IM -
BrowserHTML5HTML5-
JavaNoNo-

Other

Made ByChinaBangladesh-
Other FeaturesFast battery charging: VOOC Flash Charge ,5V/4A MP4/H.264 player, MP3/WAV/eAAC+/FLAC player, Document viewer, Photo/video editorOTG with Reverse Charging, OTA, Smart Remote Control 3D Surround Sound System (Maxx Audio) Premium Metal Body Design64bit 2.5GHz Octa Core Processor Faster Fingerprint Scanner Ultra-Fast Charging Split ScreenBuilt-in Virus Scanner Smart Eye Protection-