| Hardware and OS | HTC Tattoo | |
| Operating system | Android 1.6 (Donut); Sense UI | |
| Processor | 528 MHz ARM 11 | |
| Chipset | Qualcomm MSM7225 Snapdragon S1 | |
| GPU | No | |
| Internal memory | 256 MB RAM, 512 MB | |
| External memory | microSD (dedicated slot) | |
| Display | HTC Tattoo | other phones |
| Type | TFT | |
| Size | 2.8" inc | |
| Resolution | 240 x 320 px | |
| Touchscreen | resistive touchscreen | |
| Screen-to-Body Ratio | 41.5% | |
| Display area | 24.3 cm2 | |
| Display aspect ratio | 4:3 (height:width) | |
| Pixel Density | 143 PPI | |
| Colors | 65K | |
| Connectivity | HTC Tattoo | 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 | 2.0, A2DP | |
| Edge | Class 10 | |
| GPRS | Class 10 | |
| GPS | Yes, with A-GPS | |
| Speed | HSPA 7.2/0.384 Mbps | |
| USB | miniUSB | |
| Camera | HTC Tattoo | other phones |
| Main camera | 3.15 MP, Single | |
| Specs | 3.15 MP | |
| Video | CIF@15fps | |
| Multimedia | HTC Tattoo | other phones |
| 3.5 mm Jack | Yes | |
| Radio | Stereo FM radio, RDS | |
| Design | HTC Tattoo | other phones |
| Colors | Brown, White, Graphite, Black, Violet | |
| Dimensions | 106 x 55.2 x 14 mm | |
| Weight | 113 g | |
| Battery | HTC Tattoo | other phones |
| Battery capacity | 1100 mAh, Removable Li-Ion | |
| Battery life | Stand by time- Up to 340 h (2G) / Up to 520 h (3G) Talking time- Up to 6 h 30 min (2G) / Up to 5 h 40 min (3G)
| |
| Other | HTC Tattoo | other phones |
| SAR | SAR - 1.25 W/kg (head), 1.74 W/kg (body) | |
| Release date | 2009, September | |
| Sensors | Accelerometer, compass | |