Released 2013, April 124g, 9.9mm thickness Microsoft Windows Phone 8, up lớn 8.1 8GB storage, microSDXC 0.4% 31,020,140 hits 4.0"
Versions: nokia Lumia 521 RM-917 (T-Mobile)
| Technology | GSM / HSPA |
| 2G bands | GSM 850 / 900 / 1800 / 1900 - all versions |
| 3G bands | HSDPA 900 / 2100 - RM-914 |
| HSDPA 850 / 1900 / 2100 - RM-915 | |
| HSDPA 850 / 1700 / 1900 / 2100 - RM-917 | |
| Speed | HSPA 21.1/5.76 Mbps |
| Announced | 2013, February. Released 2013, April |
| Status | Discontinued |
| Dimensions | 119.9 x 64 x 9.9 mm, 75.7 cc (4.72 x 2.52 x 0.39 in) |
| Weight | 124 g (4.37 oz) |
| Build | Glass front, plastic back, plastic frame |
| SIM | Micro-SIM |
| Type | IPS LCD |
| Size | 4.0 inches, 45.5 cm2 (~59.3% screen-to-body ratio) |
| Resolution | 480 x 800 pixels, 5:3 ratio (~233 ppi density) |
| Protection | Scratch-resistant glass |
| OS | Microsoft Windows Phone 8, upgradable to 8.1 |
| Chipset | Qualcomm MSM8227 |
| CPU | Dual-core 1.0 GHz |
| GPU | Adreno 305 |
| Card slot | microSDXC (dedicated slot) |
| Internal | 8GB 512MB RAM |
| Single | 5 MP, f/2.4, 28mm (wide), 1/4.0", AF |
| Video | 720p 30fps |
| No |
| Loudspeaker | Yes |
| 3.5mm jack | Yes |
| WLAN | Wi-Fi 802.11 b/g/n, hotspot |
| Bluetooth | 4.0, A2DP, LE/ aptX after WP8 Denim update |
| GPS | Yes, with A-GPS, GLONASS |
| NFC | No |
| Radio | FM Radio |
| USB | microUSB 2.0 |
| Sensors | Accelerometer, proximity |
| Type | Li-Ion 1430 mAh, removable (BL-5J) |
| Stand-by | Up lớn 360 h (3G) |
| Talk time | Up lớn 14 h 40 min (2G) / Up khổng lồ 9 h 40 min (3G) |
| Music play | Up to 61 h |
| Colors | Yellow, red, cyan, white/black |
| SAR | 0.77 W/kg (head) |
| SAR EU | 1.09 W/kg (head) |
| Price | About 70 EUR |
| Display | Contrast ratio: 834:1 (nominal) / 1.161:1 (sunlight) |
| Camera | Photo / Video |
| Loudspeaker | Voice 68dB / Noise 69dB / Ring 66dB |
| Audio quality | Noise -82.3dB / Crosstalk -81.8dB |
| Battery life | CÙNG CHUYÊN MỤC MỚI
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