| Brand: | BenQ-Siemens |
| Model: | A53 |
| Release Date: | 2007, April |
| Display | |
| Resolution: | 176 x 220 pixels |
| Technology: | TFT, 256K colors |
| Camera | |
| Main Specs: | 1.3 MP |
| Main Video: | Yes |
| Battery | |
| Capacity: | Removable Li-Ion 600 mAh battery |
| Type: | Li-Ion |
| Memory | |
| Expandable: | microSD (dedicated slot) |
| Body | |
| Dimensions: | 80 x 42 x 14.8 mm (3.15 x 1.65 x 0.58 in) |
| Weight: | 68 g (2.40 oz) |
| Connectivity | |
| Wifi: | No |
| Bluetooth: | No |
| Nfc: | No |
| Usb: | 1.1 |
| Headphone Jack: | No |
| Network: | GSM |
| Colors: | Black, Blue, Pink |