| General | |
| Manufacturer: | Apple |
| Model: | iPhone 3GS 16GB |
| Year: | 2009 |
| Operating system: | iOS 4, iOS 5, iOS 6, iPhone OS 3 |
| Capacity battery (MAh): | 900 |
| Measurements | |
| Dimensions (mm): (width x height x thickness) |
62.1 x 115.5 x 12.3 |
| Weight (g): | 135 |
| Processor | |
| Processor Type: | Samsung S5PC100 |
| Clock Frequency (MHz): | 600 |
| Memory | |
| Random access memory (RAM) (MB): | 256 |
| Read-only memory (ROM) (GB): | 16 |
| Communications | |
| Phone: | GSM 1800, GSM 1900, GSM 850, GSM 900, UMTS 1900, UMTS 2100, UMTS 850 |
| Bluetooth: | 2.1 |
| Wi-Fi: | 802.11b,g |
| Other: | EDGE, GPRS, GPS, HSDPA, UMTS/WCDMA |
| Multimedia | |
| Screen Size: | 3.5 |
| Screen Resolution (px): | 320 x 480 |
| Screen type: | TFT |
| Accelerator: | PowerVR SGX535 |
| Rear camera (Mp): | 3.2 |
| Autofocus: | Yes |
| Speaker: | mono |
| Output of earphones: | 3.5 |
| Other: | G-Sensor, Light sensor, Proximity sensor, Digital compass |
| Management and input | |
| Touchscreen: | capacitive |
| Buttons: | physical buttons |
| Extension | |
| Additionally |