Brief Affordable 5.45-inch Android smartphone from Coolpad
Brand Coolpad
Model Legacy S TD-LTE US 3648A
Released 2019 Feb
Hardware Designer Yulong Computer
Codename Coolpad CP3648A
General Extras 

Haptic touch feedback

Device Category 

Smartphone

Width 71.1 mm
Height 152.4 mm
Depth 9.4 mm
Dimensions 2.80×6.00×0.37 inches
Mass 159 g
5.61 ounces
Platform 

Android

Operating System

Google Android 9.0 (Pie)

Software Extras 

Navigation software
, Intelligent personal assistant
, Face Recognition

CPU Clock 2000 MHz
CPU

MediaTek Helio A22 MT6761, 2018, 64 bit, quad-core, 12 nm, IMG PowerVR GE8300 GPU

RAM Type 

LPDDR3 SDRAM

RAM Capacity (converted) 2.00 GiB RAM
Non-volatile Memory Capacity (converted) 16.0 GB ROM
Display Diagonal 138.4 mm
5.4 inch
Resolution 720×1440
Horizontal Full Bezel Width 9.21 mm
Display Area Utilization 70.7%
Pixel Density 295 PPI
Display Type 

Color IPS TFT LCD display

Number of Display Scales 16.8M
Scratch Resistant Screen 

Yes

Graphical Controller PowerVR GE8320
GPU Clock 660 MHz
A/V Out  No
Microphone(s) 

stereo

Loudpeaker(s):  

mono

Audio Output:  

3.5mm

Supported Cellular Bands 

CDMA800 (BC0)
, CDMA1900 (BC1/BC14)
, CDMA800 (BC10)
, LTE1900 (B2)
, LTE1700/2100 (B4)
, LTE850 (B5)
, LTE700 (B12)
, LTE700 (B13)
, LTE1900 (B25)
, LTE850 (B26)
, TD-LTE2500 (B41)
, LTE1700/2100 (B66)
, LTE600 (B71) bands

Supported Cellular Data Links 

GPRS
, EDGE
, cdmaOne
, CDMA2000 1x
, CDMA2000 1xEV-DO
, CDMA2000 1xEV-DO Rev A
, LTE
, LTE 100/50
, LTE 150/50 data links

SIM Card Slot 

Nano-SIM (4FF)

Complementary Phone Services 

Voice transmission
, Voice speaker
, Vibrate
, Speakerphone
, ANC
, HD Voice

Sec. Supported Cellular Networks:   No
Touchscreen Type 

Capacitive multi-touch screen

Expansion Interfaces 

TransFlash
, microSD
, microSDHC
, microSDXC

USB 

USB 2.0

USB HS (480 Mbps)

USB Services 

USB charging
, USB Host
, USB OTG 2.0

USB Connector 

USB C reversible

Bluetooth 

Bluetooth 4.2

Wireless LAN 

802.11b
, 802.11g
, 802.11n

Wireless Services 

Wi-Fi Tethering

FM Radio Receiver  No
Complementary GPS Services 

Simultaneous GPS
, A-GPS
, Geotagging
, QuickGPS

Supported GLONASS protocol(s) 

Yes

Camera Placement 

Rear

Camera Image Sensor 

CMOS

Number of effective pixels 8.0 MP camera
Zoom 1.0 x optical zoom
Focus 

PD AF

Video Recording 1920×1080 pixel
30 fps
Flash 

single LED

Camera Extra Functions 

EIS
, HDR photo
, Slow motion video
, Burst mode
, Touch focus
, Macro mode
, Panorama Photo
, Face detection
, Face tagging
, Face retouch

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 Number of pixels 4.9 MP 2nd camera
30 fps
Secondary Camera Extra Functions 

HDR photo
, Burst mode
, Panorama Photo
, Face detection
, Face tagging
, Face retouch

Sec. Aux. Cam. Image Sensor  No
Built-in compass 

Yes

Built-in accelerometer 

Yes

Additional sensors 

Light sensor
, Proximity sensor

Protection from solid materials 

Yes

Protection from liquids 

Yes

Battery 

Li-ion polymer (LiPo)

removable

1-cell
Nominal Battery Capacity 2450 mAh battery
Talk Time 17.0 hours
Market Countries 

USA

Market Regions 

North America

Mobile Operator

Boost Mobile US

Data Integrity 

Final