| General | |
| Manufacturer: | Sony Ericsson |
| Model: | txt pro |
| Other names: | CK15i |
| Year: | 2011 |
| Measurements | |
| Dimensions (mm): (width x height x thickness) |
52 x 93 x 18 |
| Weight (g): | 100 |
| Processor | |
| Memory | |
| Random access memory (RAM) (MB): | 64 |
| Read-only memory (ROM) (MB): | 100 |
| Communications | |
| Phone: | GSM 1800, GSM 1900, GSM 850, GSM 900 |
| Bluetooth: | 2.1 |
| Wi-Fi: | 802.11b,g,n |
| Other: | EDGE, GPRS |
| Multimedia | |
| Screen Size: | 3 |
| Screen Resolution (px): | 240 x 400 |
| Screen type: | TFT |
| Rear camera (Mp): | 3.2 |
| Speaker: | mono |
| Output of earphones: | 3.5 |
| Other: | FM-radio, G-Sensor, Light sensor, Proximity sensor |
| Management and input | |
| Buttons: | QWERTY-keyboard, touch-sensitive screen (multi-touch) |
| Extension | |
| Memory Cards: | microSD, microSDHC |
| Connectors: | microUSB |
| Additionally | |
| Operation time: (according to the manufacturer) |
Operation time of talk time: 5 hours 10 minutes Operation time of standby time: 400 hours. Time listening to music: 21 hours |