Lg Optimus Net P690 data:
GSM frequencies :850 900 1800 1900
Standard UMTS :900 2100
Type :Touch
Dimensions (W x H x D) :113,50 x 59,00 x 12,10 mm
Weight :122,00 g
Main display :Color / TFT
256k colors
320 x 480 px (3.20") 180 ppi
Talk time (max.) :2G: 240 min. (4,0 h)
Stand-by (max.) :2G: 100 h. (4,2 days)
Standard battery :Li-Ion 1500 mAh
Internal memory :150 MB
Memory cards : microSD, microSDHC (up to 32 GB)
Operating system :Android 2.3 Gingerbread
Processor :Qualcomm MSM7227T
Processor clock :800 MHz
How to hard reset:
If you forgot your screen lock combination or password follow these steps.
Warning !All data will be lost!
1.Press together volume down + home button + power button
2.Release your fingers of the phone when Androis logo appear
3.Wait untiil format is complete and phone reboot
Here is video how to do: