| General | |
| Manufacturer: | Nokia |
| Model: | 6788 |
| Year: | 2009 |
| Operating system: | Symbian 9.3 |
| Capacity battery (MAh): | 1200 |
| Measurements | |
| Dimensions (mm): (width x height x thickness) |
54.9 x 105.6 x 18.9 |
| Weight (g): | 158 |
| Processor | |
| Clock Frequency (MHz): | 434 |
| Memory | |
| Random access memory (RAM) (MB): | 128 |
| Read-only memory (ROM) (MB): | 256 + 4112 |
| Communications | |
| Phone: | GSM 1800, GSM 1900, GSM 900 |
| Bluetooth: | 2.0 |
| Other: | EDGE, GPRS, HSDPA |
| Extras: | TD-SCDMA |
| Multimedia | |
| Screen Size: | 2.8 |
| Screen Resolution (px): | 240 x 320 |
| Rear camera (Mp): | 5 |
| Speaker: | mono |
| Output of earphones: | 3.5 |
| Other: | FM-radio |
| Management and input | |
| Buttons: | navigation buttons, physical buttons, numerical keyboard |
| Extension | |
| Memory Cards: | microSD, microSDHC |
| Connectors: | microUSB |
| Additionally |