Brand China Mobile
Model M631 A1s Dual SIM TD-LTE
Released 2016 Oct
Device Category Smartphone
Depth N/A
Platform Android
Operating System Google Android 5.1.1 (Lollipop)
CPU Clock 1200 MHz
CPU Qualcomm Snapdragon 410 MSM8916, 2014, 64 bit, quad-core, 28 nm, Qualcomm Adreno 306 GPU
RAM Type LPDDR3 SDRAM
RAM Capacity (converted) 1 GiB RAM
Non-volatile Memory Interface eMMC 4.5
Non-volatile Memory Capacity (converted) 8 GB ROM
Display Diagonal 127 mm
Resolution 720×1280
Pixel Density 294 PPI
Display Type Color IPS TFT LCD display
Number of Display Scales 16.8M
Scratch Resistant Screen No
Graphical Controller Qualcomm Adreno 306
China Mobile
Dedicated Graphics Memory 0.125 MiB
A/V Out No
Microphone(s) mono
Loudspeaker(s): mono
Audio Output: 3.5mm
Supported Cellular Bands GSM850 , GSM900 , GSM1800 , GSM1900 , UMTS2100 (B1) , UMTS1900 (B2) , UMTS850 (B5) , TD-SCDMA2000 , TD-SCDMA1900 , LTE1800 (B3) , LTE2600 (B7) , 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 , 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 , VoLTE
Dual Cellular Network Operation Dual standby
Sec. Supported Cellular Networks: GSM850 , 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
USB USB 2.0
USB Services USB charging , USB Host , USB OTG 1.3 , USB PD
USB Connector USB Micro-AB
Bluetooth Bluetooth 4.1
Wireless LAN 802.11b , 802.11g , 802.11n
M631 A1s Dual SIM TD-LTE
Wireless Services Wi-Fi Tethering
FM Radio Receiver FM radio (88-108 MHz) with RDS
Complementary Satellite Services Simultaneous GPS , A-GPS , Geotagging , QuickGPS
Supported GLONASS protocol(s) L1OF
Camera Placement Rear
Camera Image Sensor CMOS
Number of effective pixels 8.0 MP camera
Zoom 1.0 x optical zoom
Focus CD AF
Video Recording 1920×1080 pixel
Flash single LED
Camera Extra Functions Macro mode
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 1.9 MP sec. cam
Secondary Video Recording 1280×720 pixel
China Mobile
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 2300 mAh battery
Market Countries China
Market Regions Asia
Mobile Operator China Mobile Limited
Added 2024-06-25

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