| Local Name | Z780 |
| Technology | GSM / HSPA |
| 3G Bands | HSDPA 850 / 1900 / 2100 |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 |
| Speed | HSPA 3.6/0.384 Mbps |
| GPRS | Class 10 |
| EDGE | Class 10 |
| Announced | 2008, April |
| Status | Discontinued |
| Dimensions | 92 x 49 x 16 mm (3.62 x 1.93 x 0.63 in) |
| Weight | 100 g (3.53 oz) |
| SIM | Mini-SIM |
| Display Type | TFT, 256K colors |
| Screen Size | 2.2 inches (~33.2% screen-to-body ratio) |
| Resolution | 240 x 320 pixels (~182 ppi pixel density) | Second external monochrome display (36 x 128 pixels) |
| Card Slot | Memory Stick Micro (M2), up to 8 GB |
| Phone Book | 1000 entries, Photocall |
| Call Records | 30 received, dialed and missed calls |
| Internal Memory | 35 MB |
| Primary Camera | 2 MP, 1600 x 1200 pixels |
| Camera Features | Video-calling |
| Video | Yes |
| Secondary Camera | No |
| Alert Types | Vibration, MP3, AAC ringtones |
| Loudspeaker | Yes |
| 3.5mm Jack | No |
| WLAN | No |
| Bluetooth | v2.0, A2DP |
| GPS | Yes, with A-GPS |
| Radio | FM radio |
| USB | v2.0 |
| Messaging | SMS, MMS, Email, Instant Messaging |
| Browser | WAP 2.0/HTML (NetFront 3.4), RSS reader |
| Games | 3D games + downloadable |
| Java | Yes, MIDP 2.0 |
| Features Summary | MP3/MP4 player, TrackID music recognition, Photo editor, Organizer, Voice memo/dial |
| Battery | Li-Po 950 mAh battery |
| Stand By | Up to 350 h |
| Talk Time | Up to 9 h 30 min |
| Colors | Grand Onyx, Amethyst Silver |
| SAR US | 1.43 W/kg (head) 0.69 W/kg (body) |