| General | |
| Manufacturer: | Nokia |
| Model: | 6021 |
| Year: | 2005 |
| Capacity battery (MAh): | 760 |
| Measurements | |
| Dimensions (mm): (width x height x thickness) |
44 x 106 x 20 |
| Weight (g): | 88 |
| Processor | |
| Memory | |
| Read-only memory (ROM) (MB): | 3.3 |
| Communications | |
| Phone: | GSM 1800, GSM 1900, GSM 900 |
| Bluetooth: | 2.0 |
| Other: | EDGE, GPRS, IrDA |
| Multimedia | |
| Screen Resolution (px): | 128 x 128 |
| Screen type: | TFT |
| Speaker: | mono |
| Output of earphones: | company |
| Management and input | |
| Buttons: | navigation buttons, physical buttons, numerical keyboard |
| Extension | |
| Additionally | |
| Operation time: (according to the manufacturer) |
of talk time up to 3 hours, of standby time — up to 320 hours |