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General

NameSymphony V128Lava Z21-
ModelV128Z21-
PriceTk. 4,990Tk 6,000-

Network

Network TypeGSM / HSPA GSM / HSPA / LTE -
Network 2GGSM 850/900/1800/1900 GSM 900 / 1800 MHz - SIM 1 & SIM 2 -
Network 3G WCDMA 900/2100 HSDPA 900 / 2100 MHz -
Network GPRSYesYes-
Network EDGEYesYes-
Network 4G- LTE 1, 3, 5, 8, 40, 41 -
Network Speed- HSPA 42.2/5.76 Mbps, LTE -

Display

Display TypeIPS Full Vision Touchscreen FHVGA LCD Capacitive Touchscreen, 16.7M colors -
Display Size4.95 inche, 16.7M colors 5.0 inches, 68.9 cm2 -
Display ResolutionFWVGA+, 960 X 480 (~217 ppi density) 480 x 854 pixels -
Display MultitouchSupported, 5 FingersYes-
Display Density217 ppi density 196 ppi density -
Display Screen ProtectionYes, 2.5D Glass--

Camera

Primary Camera 5 MP, f/2.2 5MP, f/2.2, 1.12µm, Primary Camera -
Secondary Camera5 MP, f/2.2 2MP, Primary Camera -
Camera FeaturesFace Detect, HDR, Panorama, Burst, QR Code, Nighshot, Back 2X, Front 1.8X, Auto Focus (Back), GC5034, COB (Front+Back), Flash Light (Back) AI Bokeh Effect, 4cm Macro Photography, Face Detection autofocus, Continuos Shooting, High Dynamic Range mode (HDR), Digital Zoom, Auto Flash, Face detection, Touch to focus, High Definition Video Recording -
Video 720P -Playback, 720P, 480P and CIF -Recording- @30fps 720p@30fps -

Body

Body Dimensions 139.3 X 66 X 10.4 mm 146.5 x 73 x 10.4 mm (5.77 x 2.87 x 0.41 in) -
Body Weight 129 g 187 g (6.59 oz) -
Body ColorGold, Dark Blue, Black Striped Blue & Striped Cyan -
Body Build- Glass Front, Plastic Body -

Launch

Launch AnnouncementFebruary, 2019 24 February 2022 -
Launch DateReleased February, 2019 24 February 2022 -

Platform

Operating SystemAndroid Android 11 (Go Edition) -
OS VersionAndroid Oreo 8.1.011-
CPU 1.3 GHz Quad Core Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55) -
GPU Mali T820IMG8322 - 64 bit-
Chipset- Spreadtrum Unisoc SC9863A (28nm) -

Memory

Memory Internal 8 GB32GB-
Memory ExternalmicroSD, up to 32 GB microSDXC (dedicated slot), Up to 256GB -
Ram 1 GB2GB-

Battery

Battery TypeNon-removable Li-Ion Non-removable Li-Ion -
Battery Capacity2000 mAh 3100 mAh battery -

Multimedia

Fm RadioYesYes-

Sound

Audio Vibration, MP3, WAV ringtones Vibration, MP3, WAV ringtones -
LoudspeakerYesYes-
3.5mm JackYesYes-

Connectivity

WiFiYes Wi-Fi 802.11, b/g/n/ac -
BluetoothYes, v4.2 4.2, A2DP, LE -
USBMicroUSB v2.0 microUSB 2.0, USB On-The-Go -
GPSYes Yes, with A-GPS -

Features

Sensors Fingerprint, G-SensorProximity Sensor, Accelerometer-
Messaging SMS-threaded view, MMS, Email, Push Email, IMSMS(threaded view), MMS, Email, Push Email, IM-
Browser HTML5HTML 5-
JavaNoNo-

Other

Made ByChinaChina-
Other FeaturesUSB Mass Storage, USB Modem, OTG, Recorder, MP4, 3GP, AVI, etc--