| General | |
| Manufacturer: | Samsung |
| Model: | GT-I9100 Galaxy S II |
| Year: | 2011 |
| Operating system: | Android 2.3, Android 4.0, Android 4.1 |
| Capacity battery (MAh): | 1650 |
| Measurements | |
| Dimensions (mm): (width x height x thickness) |
66.1 x 125.3 x 8.5 |
| Weight (g): | 116 |
| Processor | |
| Processor Type: | Samsung Exynos 4210 Dual |
| Clock Frequency (MHz): | 1200 |
| Memory | |
| Random access memory (RAM) (MB): | 1024 |
| Read-only memory (ROM) (GB): | 16 / 32 |
| Communications | |
| Phone: | GSM 1800, GSM 1900, GSM 850, GSM 900, UMTS 1900, UMTS 2100, UMTS 850, UMTS 900 |
| Bluetooth: | 3.0 |
| Wi-Fi: | 802.11b,g,n |
| Other: | EDGE, GPRS, GPS, HSDPA, HSPA+, HSUPA, UMTS/WCDMA |
| Extras: | DLNA, Wi-Fi Direct |
| Multimedia | |
| Screen Size: | 4.27 |
| Screen Resolution (px): | 480 x 800 |
| Screen type: | Super AMOLED Plus |
| Accelerator: | Mali-400 MP4 |
| Rear camera (Mp): | 8 |
| Autofocus: | Yes |
| Flash: | Yes |
| Front camera (Mp): | 2 |
| Speaker: | mono |
| Output of earphones: | 3.5 |
| Other: | FM-radio, G-Sensor, Gyroscope, Light sensor, Proximity sensor, Digital compass |
| Management and input | |
| Touchscreen: | capacitive |
| Buttons: | touch buttons, physical buttons |
| Extension | |
| Memory Cards: | microSD, microSDHC |
| Connectors: | USB-host, microUSB |
| Additionally | |
| Operation time: (according to the manufacturer) |
of talk time up to 6.5 hours, of standby time — up to 350 hours |
| Features: | MHL, Kies Air, record video in 1080p |