Sony SGPT21 - Manual (Page 39)

Parts and Controls
Front
1. Front camera lens
2. (Headphone) jack
3. Touch screen (Lower screen)
4. Touch screen (Upper screen)
5. Ambient light sensor
Top & side
1. Rear camera lens
2. VOL + / - (Volume) button
3. USB Micro-B connector
4. Charge indicator [Details]
5. Charge connector
6. (Power) button
7. SIM card slot