W850i UMTS2100/900/1800/1900 for Europe, Middle East, Africa.
| 2G Network | GSM 900 / 1800 / 1900 |
| 3G Network | UMTS 2100 |
| Announced | 2006, May |
| Status | Available. Released 2006, September |
| Dimensions | 98 x 47 x 21 mm |
| Weight | 116 g |
| Type | TFT, 256K colors |
| Size | 240 x 320 pixels, 30 x 40 mm |
| - Wallpapers, screensavers |
| Type | Polyphonic (40 channels), MP3, AAC |
| Customization | Composer, download |
| Vibration | Yes |
| Phonebook | 1000 contacts, Photo call |
| Call records | 30 received, dialed and missed calls |
| Card slot | Memory Stick Duo Pro |
| - 16 MB shared memory |
| GPRS | Class 10 (4+1/3+2 slots), 32 - 48 kbps |
| HSCSD | No |
| EDGE | No |
| 3G | Yes, 384 kbps |
| WLAN | No |
| Bluetooth | Yes, v2.0 with A2DP |
| Infrared port | Yes |
| USB | Yes |
| Messaging | SMS, MMS, Email |
| Browser | WAP 2.0/HTML(NetFront), RSS feeds |
| Games | Yes + downloadable |
| Colors | Precious Black, Golden White |
| Camera | 2 MP, 1600x1200 pixels, video(QCIF), flash; secondary video call camera |
| - TrackID music recognition - Walkman 2.0 music player - 3G video call - Java MIDP 2.0 - T9 - FM radio with RDS - Organiser - Voice memo - Built-in handsfree |
| Standard battery, Li-Po 950 mAh (BST-33) | |
| Stand-by | Up to 350 h |
| Talk time | Up to 7 h |