Nokia Lumia 638


4.5 inch
480 X 854 pixels
5MP
Yes
1GB RAM
Snapdragon 400
1830mAh
Li-Ion Battery
Microsoft Windows Phone 8.1
Launched in Dec 2014
9.2mm thickness
microSD, upto 256GB slot
11581 HITS
Available

Current Status


Status Available
Publicized 2014, December
Launch Launched in Dec 2014

Outer Specs


Dimensions 129.5 x 66.7 x 9.2 mm
Weight 136 grams
Sim Type Single SIM
Sim Size Micro-SIM
Display Size 4.5 inches (~218 ppi pixel density)
Resolution 480 X 854 pixels
Display Type IPS LCD capacitive touchscreen, 16M colors
Protection Corning Gorilla Glass 3
Cirtificates No
Display UI ClearBlack display
Multi Touch Yes
Other Features -

Internal Specs


Network Support 2G,3G,4G network
Phonebook Unlimited
Call Records 500
Internet Speed HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Operating System Microsoft Windows Phone 8.1
GPRS Yes
EDGE Yes
CPU Quad-core 1.2 GHz Cortex-A7
GPU Adreno 305
Internal Memory 8 GB
External Memory microSD, upto 256GB slot  
RAM 1 GB
Other Features -

Camera/Audio


Primary Camera 5 MP
Cam Features Autofocus pixels,panorama,geo-tagging,1/4" sensor size
Secondary Camera -
Features -
Loudspeakers Yes
Alert Types Vibration; MP3, WAV ringtones
Radio Yes, FM Radio
3.5mm Audio Jack Yes  
Other Features -

Connectivity


Bluetooth v4.0, A2DP, LE/ aptX after WP8 Denim update
WLAN Wi-Fi 802.11 b/g/n, DLNA, hotspot
NFC No
Network Type 2G,3G,4G
GPS Yes, with A-GPS, GLONASS
USB microUSB v2.0
Radio Yes, FM Radio
Other Features -

Battery


Battery Removable Li-Ion 1830 mAh battery (BL-5H)
Battery mAh 1830mAh
Messaging SMS (threaded view), MMS, Email, Push Email, IM
Sensors Accelerometer
Video Suppport MP4/H.264
Audio Support MP3/WAV/WMA/eAAC+/FLAC

Additional Features


MP3/WAV/eAAC+/WMA player
MP4/H.264/WMV player
OneDrive (15 GB cloud storage)
Document viewer
Video/photo editor