| Brand |
Coolpad |
| Model |
B770S TD-LTE Dual SIM |
| Released |
2016 Jul |
| Hardware Designer |
Yulong Computer |
| Manufacturer |
Yulong Computer |
| Device Category |
Smartphone |
| Width |
77.5 mm |
| Height |
153 mm |
| Depth |
8.6 mm |
| Dimensions |
3.05×6.02×0.34 inches |
| Mass |
145 g |
| Platform |
Android |
| Operating System |
Google Android 5.1.1 (Lollipop) |
| CPU Clock |
1000 MHz |
| CPU |
MediaTek MT6735P, 2015, 64 bit, quad-core, 28 nm, ARM Mali-T720 GPU |
| RAM Type |
LPDDR3 SDRAM |
| RAM Capacity (converted) |
2 GiB RAM |
| Non-volatile Memory Interface |
Yes |
| Non-volatile Memory Capacity (converted) |
16 GB ROM |
| Display Diagonal |
139.7 mm |
|
| Resolution |
720×1280 |
| Horizontal Full Bezel Width |
9.01 mm |
| Display Area Utilization |
70.3% |
| Pixel Density |
267 PPI |
| Display Type |
Color IPS TFT LCD display |
| Number of Display Scales |
16.8M |
| Scratch Resistant Screen |
No |
| Graphical Controller |
ARM Mali-T720MP2 |
| A/V Out |
No |
| Microphone(s) |
mono |
| Loudspeaker(s): |
mono |
| Audio Output: |
3.5mm |
| Supported Cellular Bands |
GSM900 , GSM1800 , GSM1900 , CDMA800 (BC0) , TD-SCDMA2000 , TD-SCDMA1900 , LTE2100 (B1) , LTE1800 (B3) , TD-LTE2600 (B38) , TD-LTE1900 (B39) , TD-LTE2300 (B40) , TD-LTE2500 (B41) bands |
| Supported Cellular Data Links |
GPRS , EDGE , UMTS , HSUPA , HSDPA , HSPA+ 21.1 , cdmaOne , CDMA2000 1x , CDMA2000 1xEV-DO , CDMA2000 1xEV-DO Rev A , TD-SCDMA , TD-HSDPA , LTE , LTE 150/50 data links |
| SIM Card Slot |
Micro-SIM (3FF) |
| Complementary Phone Services |
Voice transmission , Voice speaker , Vibrate , Speakerphone |
| Dual Cellular Network Operation |
Dual standby |
| Sec. Supported Cellular Networks: |
GSM900 , GSM1800 , GSM1900 |
| Sec. Supported Cellular Data Links: |
GPRS , EDGE |
| Sec. SIM Card Slot |
Yes |
|
| Touchscreen Type |
Capacitive multi-touch screen |
| Expansion Interfaces |
TransFlash , microSD , microSDHC , microSDXC |
| USB |
USB 2.0 |
| USB Services |
USB charging |
| USB Connector |
USB Micro-B (Micro-USB) |
| Bluetooth |
Bluetooth 4.0 |
| Wireless LAN |
802.11b , 802.11g , 802.11n |
| Wireless Services |
Miracast , Wi-Fi Direct , Wi-Fi Tethering |
| FM Radio Receiver |
FM radio (88-108 MHz) |
| Complementary Satellite Services |
A-GPS , Geotagging , QuickGPS |
| Camera Placement |
Rear |
| Camera Image Sensor |
CMOS |
| Number of effective pixels |
12.8 MP camera |
| Zoom |
1.0 x optical zoom |
| Focus |
CD AF |
| Video Recording |
1920×1080 pixel |
| Flash |
single LED |
| Camera Extra Functions |
HDR photo , Macro mode , Panorama Photo |
| Aux. Camera Image Sensor |
No |
| Aux. 2 Camera Image Sensor |
No |
|
| Aux. 3 Camera Image Sensor |
No |
| Aux. 4 Camera Image Sensor |
No |
| Secondary Camera Placement |
Front |
| Secondary Camera Sensor |
CMOS |
| Secondary Camera Number of pixels |
5.0 MP sec. cam |
| Secondary Video Recording |
1280×720 pixel |
| Sec. Aux. Cam. Image Sensor |
No |
| Built-in compass |
Yes |
| Built-in accelerometer |
Yes |
| Additional sensors |
L sensor , P sensor |
| Protection from solid materials |
Yes |
| Protection from liquids |
Yes |
| Battery |
Li-ion |
| Nominal Battery Capacity |
2800 mAh battery |
| Market Countries |
China |
| Market Regions |
Asia |
| Mobile Operator |
China Telecom Corporation Limited |
| Added |
2024-06-26 |
