| Hardware and OS | LG GT540 Optimus | |
| Operating system | Android 1.6 (Donut), upgradable to 2.1 (Eclair) | |
| Processor | 600 MHz | |
| Internal memory | 139 MB, 156 MB RAM | |
| External memory | microSD, up to 32 GB (dedicated slot) | |
| Display | LG GT540 Optimus | other phones |
| Type | TFT | |
| Size | 3" inc | |
| Resolution | 320 x 480 px | |
| Touchscreen | resistive touchscreen | |
| Screen-to-Body Ratio | 45.1% | |
| Display area | 26.8 cm2 | |
| Display aspect ratio | 3:2 (height:width) | |
| Pixel Density | 192 PPI | |
| Connectivity | LG GT540 Optimus | other phones |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | |
| Wi-Fi | Wi-Fi 802.11 b/g | |
| Network | GSM / HSPA | |
| SIM card | Mini-SIM | |
| Bluetooth | 2.1, A2DP | |
| Edge | Class 10 | |
| GPRS | Class 10 | |
| GPS | Yes, with A-GPS | |
| Speed | HSPA 7.2/0.384 Mbps | |
| USB | microUSB | |
| Camera | LG GT540 Optimus | other phones |
| Main camera | 3.15 MP, Single | |
| Specs | 3.15 MP, AF | |
| Video | 480p@17fps | |
| Multimedia | LG GT540 Optimus | other phones |
| 3.5 mm Jack | Yes | |
| Radio | Stereo FM radio, RDS | |
| Design | LG GT540 Optimus | other phones |
| Colors | Black, White, Pink | |
| Dimensions | 109 x 54.5 x 12.7 mm | |
| Weight | 115.5 g | |
| Battery | LG GT540 Optimus | other phones |
| Battery capacity | 1500 mAh, Removable Li-Ion | |
| Battery life | Stand by time- Up to 500 h (2G) / Up to 500 h (3G) Talking time- Up to 5 h 30 min (2G) / Up to 7 h 20 min (3G)
| |
| Other | LG GT540 Optimus | other phones |
| SAR | SAR - 0.93 W/kg (head), 0.63 W/kg (body) | |
| Release date | 2010, January | |
| Sensors | Accelerometer | |