coolsand cpu unlock and reset code

• *#1830*# Engineer mode
• *#6495*# Factory Mode
• *#82510# Auto test
• *#18*# Auto test
• *#64*# Version info summery
• *#88# Self test *#3696# Open/close usb mode
• *#002# Restore factory default it will wash security code too
• *#11# Start record screen
• *#12# Stop Record Screen
• *#21# Play list
• *#005# Start trace memory card
• *#006# Stop trace memory card
• **04*# Network selection