Nokia Lumia 638 4G was officially announced in June 2014, Device Expected to Release in and it was not yet officially released, Nokia Lumia 638 4G made under Lumia.

Mobile Network Support and Band

Nokia Lumia 638 4G have Dual Micro SIM Card Slots,Nokia Lumia 638 4G support all GSM Based network providers. Nokia Lumia 638 4G mobile device support 2G Band Frequency at GSM 850,GSM 900,GSM 1800,GSM 1900 and Hight Speed 3G Network Band at HSDPA 850,HSDPA 900,HSDPA 1900,HSDPA 2100,Nokia Lumia 638 4G also support LTE based 4G Networks Support at Frequency level LTE 800,LTE 1800,LTE 2600,comes with network handling support with Network settings and work offline with flight Mode.

Device Body Design and Display

Nokia Lumia 638 4G is a Monoblock, Touch device and it have device dimension with 130 x 67 x 10 mm, Exactly 129.5 x 66.7 x 9.2 mm. Phone weight including the Battery 134g. Phone gave a dedicated Volume,Lock,Camera,Power. Nokia Lumia 638 4G display enhanced with IPS LCD Capacitive TouchScreen capable to display 16M Colors at ~221 ppi pixel density Touch screen with Multi Touch Support optimized by Capacitive Multipoint-Touch. Display Resolution of this phone is 480 x 854 pixels (FWVGA) compact with the 4.5 Inch display with Capacitive Multipoint-Touch Mode.Device has Loudspeaker to amplify music playback and tones,device supports Speakerphone while you call.Nokia Lumia 638 4G Supports display orientation sensor, which helps to rotate screen view in any angle.

Device Hardware and Operating System

Nokia Lumia 638 4G equipped for Windows 8.1 Operating System, Device hardware empoweredby Qualcomm Snapdragon 400 Chipsetand Quad Core Processor Processor handle manipulate tasks,at the speed of 1.2 GHz.device have 1 GB RAM.Nokia Lumia 638 4G have internal storage 8 GB.memory can upgrade Upto 128 GB with MicroSD.Nokia Lumia 638 4G have 5.0 MP Digital Cameraand with enhanced nigh vision No Flash Light.No Secondary camera.

Device Photography and Video

Nokia Lumia 638 4G 5.0 MP and Photo output come at 5.0 MP, 2592 x 1944 Pixels Resolution in size Digital camera help us to catch our favorite movements at Photographs and Videos Medium quality.Photo as includes date tagging and GPS based Geo Tagging.VideoVideo Recording at 720P 30FPSquality.  Camera has powerful 4X digital zoom help us to focus objects very clear. Video recorder,Video streaming,Video player,Video Sharing,Autofocus,Scene Modes,Camera Effects,Image Viewer, F/2.4 Aperture, 1/4 inch sensor, 28 mm Focal length features also help us to take more precious photos for our daily use.Enhanced Camera features like TV Output helps to connect our device directly through LED, LCD TV through Nokia Lumia 638 4G.Nokia Lumia 638 4G have Sweep Panorama to take pictures around you.

Memory and Entertainment Features

Nokia Lumia 638 4G Supports major auto Formats ASF, AAC, AMR, MP3, M4A, WMA, MIDI, MP4 and video Formats 3GP, MP4, WMV, AVI, 3G2, MOV, H.264, H.263, M4V, ASF, device haveMini headphone headphone jackNokia Lumia 638 4G have internal storage 8 GB help to storage enough data of music and video files.expendable memory can upgrade Upto 128 GB with MicroSD Memory Card.Nokia Lumia 638 4G supports Stereo FM Radio along with FM Recording feature.Device have the power to playback musics Up to 60 Hrs, (58 Hrs) through standard Media Player.able to play videos Up to 7 Hrs

Internet and Data Communication

Nokia Lumia 638 4G Supports 2G Transfersand 3G TransfersData Transfer with GPRS and with EDGE.Data communication speed through HSUPA 5.76 Mbps,HSDPA 42 Mbps, LTE 150 Mbps DL / 50 Mbps UL,Data connection also through Wi-Fi 802.11 b/g/n.Wi-Fi supports dual band Hotspot support to share internet connection through Nokia Lumia 638 4G. Device support to browse web pages through with Internet explorer, which supports you to browse WAP,HTML web pages.browser also supports Adobe Flash .
Personal data transfers through Bluetooth 4.0, With A2DP Device comes with HERE Maps which helps to view mapsand locate our location through GPS Tracking help us for Navigation or Direction . Device supports messaging features SMS,MMS,Email,Push Mail,IM.