| Local Name | 603 |
| Technology | GSM / HSPA |
| 3G Bands | HSDPA 850 / 900 / 1700 / 1900 / 2100 |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 |
| Speed | HSPA 14.4/5.76 Mbps |
| GPRS | Class 33 |
| EDGE | Class 33 |
| Announced | 2011, October |
| Status | Available. Released 2011, October |
| Dimensions | 113.5 x 57.1 x 12.7 mm, 74 cc (4.47 x 2.25 x 0.5 in) |
| Weight | 109.6 g (3.84 oz) |
| SIM | Micro-SIM |
| Display Type | IPS LCD capacitive touchscreen, 16M colors |
| Screen Size | 3.5 inches (~52.1% screen-to-body ratio) |
| Resolution | 360 x 640 pixels (~210 ppi pixel density) |
| Mulitouch | Yes |
| Protection | Scratch-resistant glass | Nokia ClearBlack display |
| OS | Symbian Belle OS, upgradeable to Belle FP1 |
| CPU | 1 GHz |
| Card Slot | microSD, up to 32 GB |
| Internal Memory | 2 GB (340 MB user available), 512 MB RAM, 1 GB ROM |
| Primary Camera | 5 MP, 2592 х 1944 pixels, fixed focus |
| Camera Features | Geo-tagging, face detection |
| Video | 720p@30fps |
| Secondary Camera | No |
| Alert Types | Vibration, MP3 ringtones |
| Loudspeaker | Yes |
| 3.5mm Jack | Yes |
| WLAN | Wi-Fi 802.11 b/g/n |
| Bluetooth | v3.0, A2DP |
| GPS | Yes, with A-GPS |
| NFC | Yes |
| Radio | Stereo FM radio with RDS, music recognition |
| USB | microUSB v2.0, USB Host |
| Sensors | Accelerometer, proximity, compass |
| Messaging | SMS(threaded view), MMS, Email, Push Mail, IM |
| Browser | WAP 2.0/xHTML, HTML, Adobe Flash Lite |
| Java | Yes, MIDP 2.1 |
| Features Summary | SNS integration, Active noise cancellation with dedicated mic, MP4/WMV/H.264 player, MP3/WAV/еAAC+ player, Dolby Digital Plus (via FP1 update), Photo editor, Organizer, Quickoffice document editor, Adobe PDF Reader, Voice command/dial, Predictive text input |
| Battery | Li-Ion battery (BP-3L) |
| Stand By | Up to 460 h (2G) / Up to 490 h (3G) |
| Talk Time | Up 16 h (2G) / Up to 7 h (3G) |
| Music Play | Up to 75 h |
| Colors | Black, white (front panel)/ black, white, fuchsia, green, yellow, blue (back panel) |
| SAR US | 1.33 W/kg (head) 1.02 W/kg (body) |
| SAR EU | 0.98 W/kg (head) |
