Nokia Lumia 638

General Information

• Colors:
• Black

• SAR EU:
• 1.46 W/kg (head)     0.95 W/kg (body)    

• Price:
• About 100 EUR

Network/Bearer

• Technology:
• GSM / HSPA / LTE

• 2G bands:
• GSM 850 / 900 / 1800 / 1900

• 3G bands:
• HSDPA 850 / 900 / 1900 / 2100 - RM-1010

• 4G bands:
• LTE band 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500)

• Speed:
• HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps

Launch

• Announced:
• 2014, December

• Status:
• Available. Released 2014, December

Physical Specifications

• Dimensions:
• 129.5 x 66.7 x 9.2 mm (5.10 x 2.63 x 0.36 in)

• Weight:
• 136 g (4.80 oz)

• SIM:
• Micro-SIM

Display

• Type:
• IPS LCD capacitive touchscreen, 16M colors

• Size:
• 4.5 inches, 55.8 cm2 (~64.6% screen-to-body ratio)

• Resolution:
• 480 x 854 pixels, 16:9 ratio (~218 ppi density)

• Protection:
• Corning Gorilla Glass 3, ClearBlack display

Platform

• OS:
• Microsoft Windows Phone 8.1

• Chipset:
• Qualcomm Snapdragon 400 (28 nm)

• CPU:
• Quad-core 1.2 GHz Cortex-A7

• GPU:
• Adreno 305

Memory

• Card slot:
• microSD, up to 256 GB (dedicated slot)

• Internal:
• 8GB 1GB RAM

Main Camera

• Single:
• 5 MP, 1/4", AF

• Features:
• Panorama

• Video:
• Yes

Selfie Camera

• Video:
• Yes, No

Sound

• Loudspeaker:
• Yes

• 3.5mm jack:
• Yes, Active noise cancellation with dedicated mic

Connectivity

• WLAN:
• Wi-Fi 802.11 b/g/n, DLNA, hotspot

• Bluetooth:
• 4.0, A2DP, LE/ aptX after WP8 Denim update

• GPS:
• Yes, with A-GPS, GLONASS

• Radio:
• FM radio

• USB:
• microUSB 2.0

Features

• Sensors:
• Accelerometer

• Messaging:
• SMS(threaded view), MMS, Email, Push Email, IM

• Browser:
• HTML5

Battery

• Browser:
• HTML5, Removable Li-Ion 1830 mAh battery (BL-5H)