| General | |
| Manufacturer: | Sony Ericsson |
| Model: | P990i |
| Other names: | Hermione |
| Year: | 2006 |
| Operating system: | Symbian UIQ 3.0 |
| Capacity battery (MAh): | 1120 |
| Measurements | |
| Dimensions (mm): (width x height x thickness) |
54 x 114 x 25 |
| Weight (g): | 155 |
| Processor | |
| Processor Type: | Philips Nexperia PNX4008 |
| Clock Frequency (MHz): | 208 |
| Memory | |
| Random access memory (RAM) (MB): | 64 |
| Read-only memory (ROM) (MB): | 128 |
| Communications | |
| Phone: | GSM 1800, GSM 1900, GSM 900, UMTS 2100 |
| Bluetooth: | 1.2 |
| Wi-Fi: | 802.11b |
| Other: | CSD, GPRS, HSCSD, IrDA, UMTS/WCDMA |
| Multimedia | |
| Screen Size: | 2.8 |
| Screen Resolution (px): | 240 x 320 |
| Rear camera (Mp): | 2 |
| Front camera (Mp): | 0.3 |
| Speaker: | mono |
| Output of earphones: | company |
| Other: | FM-radio |
| Management and input | |
| Buttons: | QWERTY-keyboard, scroll wheel, navigation buttons, touch-sensitive screen, physical buttons, numerical keyboard |
| Extension | |
| Memory Cards: | MS, MS Duo, MS Pro Duo |
| Additionally |