Solution: Spreadtrum SC7731
Cortex A7 Quad core
Memory: 512MB+8GB
Micro SD up to 32GB
CPU: 1.2GHz
OS: Android 5.1
Screen: 7†16:9 Multi-touch
capacitive panel
Resolution: 1024x600
Camera: Front: 0.3MP
back 2MP
Battery: 2400mAH
MIC: Built-in
GPS: Support
USB: Micro 2.0
SIM: Single