Features
1. Helio P70 octa core 64bit up to 2.1GHz CPU, high performance, combine with 6GB+64GB, run faster and operate more smoothly. 
2. 5.7 inch FHD+ IPS 2160*1080 screen, 5-generation Corning Glass, 18:9 ratio, full angle, big view, vivid color. 
3. 8.0MP FF front camera, clear for video chat and selfie. 
4. 21.0MP AF back camera with flash light, good for taking clear pictures. 
5. Powered by 4.35V 10300mAh high capacity Li-ion polymer battery, charged by 9V 2A. 
6. 400MHz-470MHz digital-analog intercom, 1W-2W transmitted power, 136 intercom channels, signal distance: 
- Sea level: 7-10KM 
- Office building: 1-39 floor 
- Urban area: 3-5KM 
- Driving status: 0.5-3KM 
7. Support underwater photography.

Network
1. 2G network frequency: 
- GSM B2/B3/B5/B8 
2. 3G network frequency: 
- WCDMA B1/B2/B4/B5/B6/B8/B19 
- TD-SCDMA B34/B39 
3. 4G network frequency: 
- TDD-LTE B34/B38/B39/B40/B41 
- FDD-LTE B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28A/B28B 
4. VoLTE: Whether you can use VoLTE depends on the local carriers, because not all of the the local carriers can support this function.