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NameOppo A1Helio S1-
ModelA1 S1-
PriceTK. 20,990Tk 14,990-


Network TypeGSM / HSPA / LTE GSM / HSPA / LTE-
Network 2GGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2850/900/1800/1900 MHz-
Network 3GHSDPA 850 / 900 / 1900 / 2100 2100 MHz-
Network 4GLTEFDD 2100 / 2600 MHz-
Network SpeedHSPA 42.2/5.76 Mbps, LTEHSPA, LTE-
Network GPRSYesYes-
Network EDGEYesYes-


Display TypeS-IPS LCD capacitive touchscreen, 16M ColorsAMOLED-
Display Size5.7 inches, 83.8 cm2 5.5-
Display Resolution720 x 1440 pixels, 18:9 ratio HD (1280 X 720)-
Display MultitouchYes - Color OSYes-
Display Density282 ppi density 294 ppi pixel density-
Display Screen Protection- Corning Gorilla Glass 3-


Primary Camera13 MP (f/2.2, 1/3`, 1.12 µm), phase detection autofocus, LED Flash 13MP-
Secondary Camera8 MP 8MP-
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panoramaHDR, Facebeauty, Night, Panorama, Professional, Time Lapse, Slow Motion, Smart Scene, Text Recognition, Macro, GIF, PicNote, Ultra Pixel, Smart Scan, Mood Photo, Geo Tagging, Beautified Video, Video Editor-
Video[email protected] [email protected]-


Body ColorBlue, Red, White Various-
Body Dimensions- 141.5 X 70.3 X 6.95 mm-
Body Weight- 131.5 gm-


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


Operating SystemAndroid 7.1 Nougat Android 5.1 Lollipop-
CPU- 1.3 GHz Octa Core/MTK6753 (64-bit Processor)-
GPU- Mali-T720 MP4-
Chipset- Octa Core Processor (64-bit Processor)-


Memory Internal64 GB 16GB-
Memory ExternalmicroSD, up to 128 GB Up to 32GB-
Ram4 GB 2GB RAM-


Battery TypeNon-removable Li-Ion Battery Li-Polymer Battery -
Battery Capacity3180 mAh 2400 mAh Battery-
Battery Stand by- 270 Hours (*Depends on phone setting, network)-
Battery Talk time- 7 Hours (*Depends on phone setting, network)-


Fm RadioYesYes-


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


WiFiWi-Fi 802.11 b/g/n, Wi-Fi Direct, HotspotYes-
Bluetooth4.2, A2DP, LEYes-
USBmicroUSB 2.0Yes-
GPSYes, with A-GPSYes-


SensorsAccelerometer, proximity Sony IMX 214-
MessagingSMS(threaded view), MMS, Email, Push Email SMS(threaded view), MMS, Email, Push Mail, IM-
JavaNo No-


Other FeaturesMP4/H.264/FLAC player, MP3/eAAC+/WAV player, Document viewer, Photo viewer/editor Materials : OGS (On Cell), Full Lamination
Aperture : F2.0
ISO Sensitivity : High sensitivity
Other Features : Zero Shutter Delay, ISO Control, Noise Reduction, HDR, Smile Shot, Gradienter, Continuous Shot, Smile Shot, V Sign Shot , Anti-Shake, Auto Scene Detection and EIS, Selfie PIP Mode, Face Beauty Mode, Panorama Mode, Live Photo
Made By- China-