Nokia Lumia 638
General Information
- SAR EU:
- 1.46 W/kg (head) 0.95 W/kg (body)
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)
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
Memory
- Card slot:
- microSD, up to 256 GB (dedicated slot)
Sound
- 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
Features
- Messaging:
- SMS(threaded view), MMS, Email, Push Email, IM
Battery
- Browser:
- HTML5, Removable Li-Ion 1830 mAh battery (BL-5H)