Samsung Galaxy Y S5360 specifications:
GSM frequencies :850 900 1800 1900
Standard UMTS :900 2100
Standard CDMA : -
UMA : -
Type :Touch
Dimensions (W x H x D) :104,00 x 58,00 x 11,50 mm
Weight :99,70 g
Main display :Color / TFT
256k colors
240 x 320 px (3.00")
Talk time (max.) :2G: 300 min. (5,0 h)
3G: 370 min. (6,2 h)
Stand-by (max.) :2G: 350 h. (14,6 days)
3G: 540 h. (22,5 days)
Standard battery :Li-Ion 1200 mAh
Phonebook memory : unlimited
Internal memory :180 MB
RAM memory :384 MB
Memory cards : yes
microSD, microSDHC (up to 32 GB)
Operating system :Android 2.3.5 Gingerbread
Processor :Broadcom BCM21553
Processor clock :832 MHz
Touchscreen : yes
SAR (10g) :0,655 W/kg
DualSIM : -
How to hard reset:
Warning! All data will be lost!
1.Power off your phone
2.Press together volume up +home button+power button
3.Wait untill Samsung logo appears
4.Leave your fingers down to the buttons
5.Browse with volume buttons and select "wipe data" with home button
6.Select "yes" and press the home button
7.Wait until process is over
8.Select "reboot system now"
9.Wait until the phone restarts
Here is video how to do: