Samsung Android Factory Reset & Service Test Code

• *#*#4636#*#* - Phone Information
• *2767*3855# - Hard Reset
• *#*#7780#*#* - Factory Reset
• *#*#7594#*#* - Change End Call/Power Option
• *#*#197328640#*#* - Service Mode
• *#*#273283*255*663282*#*#* - File Copy Screen (Backup Media Files)
• *#*#526#*#* - WLAN Test
• *#*#232338#*#* - Shows WiFi MAC address
• *#*#1472365#*#* - GPS Test
• *#*#1575#*#* - Another GPS test
• *#*#232331#*#* - Bluetooth test
• *#*#232337#*# - Shows Bluetooth device address
• *#*#8255#*#* - GTalk Service Monitor

TEST MODE CODE:

• *#*#0283#*#* - Packet Loopback
• *#*#0*#*#* - LCD test
• *#*#0673#*#* - Melody test
• *#*#0842#*#* - Device test (Vibration test and BackLight test)
• *#*#2663#*#* - Touch screen version
• *#*#2664#*#* - Touch screen test
• *#*#0588#*#* - Proximity sensor test
• *#*#3264#*#* - RAM version

Samsung GT S8530 Wave II 
Samsung Galaxy Spica I570
Samsung Galaxy Mini S5570