AI Portrait | AI LinkBoost | Released 2024, January 24
256GB/512GB/1TB
Android 14, UI 6.1
Titanium Frame
45w | 15w
45w | 15w
Snapragon
45w | 15w
| Network | Technology | GSM / HSPA / LTE |
| 2G bands | GSM 850 / 900 / 1800 / 1900 | |
| 3G bands | HSDPA 850 / 900 / 1900 / 2100 - RM-1010 | |
| 4G bands | 3, 7, 38, 39, 40, 41 | |
| Speed | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | |
| Launch | Announced | 2014, December. Released 2014, December |
| Status | Discontinued | |
| Body | 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 |
| 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 | microSDXC (dedicated slot) |
| Internal | 8GB 1GB RAM | |
| eMMC 4.5 | ||
| Main Camera | Single | 5 MP, 1/4.0", AF |
| Features | Panorama | |
| Video | Yes | |
| Selfie camera | No | |
| Sound | Loudspeaker | Yes |
| 3.5mm jack | Yes | |
| Comms | WLAN | Wi-Fi 802.11 b/g/n, DLNA, hotspot |
| Bluetooth | 4.0, A2DP, LE/ aptX after WP8 Denim update | |
| Positioning | GPS, GLONASS | |
| NFC | No | |
| Radio | FM radio | |
| USB | microUSB 2.0 | |
| Features | Sensors | Accelerometer |
| Battery | Type | Li-Ion 1830 mAh, removable (BL-5H) |
| Misc | Colors | Black |
| SAR EU | 1.46 W/kg (head) 0.95 W/kg (body) | |
| Price | About 100 EUR |
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Nokia Lumia 638 Images
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Muhammad Ali
Aleksandar Anastasov
Mariyan Slavov
Mariyan Slavov
Peter Kostadinov
