Android Secret codes (campatible with all android phones)

*#*#4636#*#*= Display Cell Phone, Battery, Usage Statistics And Wifi Information
*#*#1472365#*#* = GPS Test
*#*#1575#*#*= Other GPS Test
*#*#232331#*#* =Bluetooth Test
*#*#7780#*#*= Restore To Factory Settings, Do Not Delete Preinstalled Apps And SD Card Files
*#*#197328640#*#* = Launch Service Mode To Test And Change Certain Settings
*#*#232339#*#* Or*#*#526#*#* Or*#*#528#*#* = Test Wifi
*#*#2664#*#*= Touchscreen Test
*#*#0588#*#*= Distance Sensor Test
*#*#3264#*#*= Display Memory Version
*#*#232338#*#* = Display Wifi MAC Address
*#*#232337#*#= Display Bluetooth Physic Address
*#*#8255#*#*= Start Gtalk Monitoring
*#*#4986*2650468#*#* = PDA, Phone, H/W, Rfcalldate
*#*#1234#*#*= PDA And Phone
*#*#1111#*#*= FTA SW Version
*#*#2222#*#*= FTA HW Version
*#*#44336#*#*= PDA, Phone, Csc, Build Time, Anzhi.Name, Change list Number
*#*#0283#*#*= Packet Loop back
*#*#0*#*#* = LCD Test
*#*#0673#*#* Or*#*#0289#*#*= Melody Test
*#*#0842#*#*= Device Test SuchAs Liberation And Lightness
*#*#2663#*#*= Display Touchscreen Version
*2767*3855# = Restore To Factory Settings; Delete All Files In SD Card