Symphony  ZIII Basic information:
Network: GSM
Operating System: Android 4.2.2 Jelly BeanSymphony Xplorer ZIII Stock Rom 2
CPU: 1.7 GHz Octa Core
Data Services: 3G, Wi-Fi, EDGE,Bluetooth

Body:
Dimension: 139.8×66.2×8.6mm

Display:
Display Size:     4.7 inch HD
Display Resolution: HD (720×1280 pixels)
Multi Touch: Yes

Camera:
Primary Camera: 13 MP (Rotatable)
Camera Feature: Flash light, Auto focus, Rotatable

Memory:
RAM: 1 GB (User available RAM 948 MB )
ROM: 16 GB (User Available ROM 2.32 GB)
Internal SD card: 10.22 GB

Battery:
Battery Capacity: 2200mAh Li-ionSymphony Xplorer ZIII Stock Rom
Stand by time: 400 hours (approx.)
Talk time: 4 hours (approx.)

Data/Communication:
WLAN: Yes
GPS: Yes
Bluetooth: Yes
USB Mass storage: Yes
USB Modem: Yes
MMS: Yes
Email: Yes
OTG support

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https://i2.wp.com/droid-developers.com/wp-content/uploads/2016/03/Symphony-Xplorer-ZIII-Stock-Rom-2.jpg?fit=200%2C410https://i0.wp.com/droid-developers.com/wp-content/uploads/2016/03/Symphony-Xplorer-ZIII-Stock-Rom-2.jpg?resize=150%2C150Fahim MahmudFirmwareSymphony FirmwareSymphony Firmware,Symphony Stock Rom,Symphony Xplorer ZIIISymphony  ZIII Basic information: Network: GSM Operating System: Android 4.2.2 Jelly Bean CPU: 1.7 GHz Octa Core Data Services: 3G, Wi-Fi, EDGE,Bluetooth Body: Dimension: 139.8x66.2x8.6mm Display: Display Size:     4.7 inch HD Display Resolution: HD (720x1280 pixels) Multi Touch: Yes Camera: Primary Camera: 13 MP (Rotatable) Camera Feature: Flash light, Auto focus, Rotatable Memory: RAM: 1 GB (User available RAM 948 MB ) ROM: 16 GB...Android Help,Troubleshooting  & Stock Rom