MMI Codes

Try looking for an app on the market called 'sgs codes' or something like that, that gives you a bunch of MMI codes.

Sent from my SAMSUNG-SGH-I997 using XDA App

I found this:
http://www.freeyourandroid.com/guide/build-prop-modifications

look at this area:
mot.proximity.delay = 150
Lower to fix black screen after calls issue


and:
*#*#4636#*#* - Phone Information (allows you to change the SMS service centre number and more)

*2767*3855# - HARD RESET (will fully wipe and restore firmware. USE WITH CAUTION

*#*#34971539#*#* Shows completes information about the camera

*#*#7594#*#* Changing the power button behavior-Enables direct poweroff once the code enabled

*#*#273283*255*663282*#*#* For a quick backup to all your media files

*#*#197328640#*#* Enabling test mode for service activity

*#*#232339#*#* OR *#*#526#*#* OR *#*#528#*#* Wireless Lan Tests

*#*#232338#*#* Displays Wi-Fi Mac-address

*#*#1472365#*#* For a quick GPS test

*#*#1575#*#* A Different type GPS test

*#*#0283#*#* Packet Loopback test

*#*#0*#*#* LCD display test

*#*#0673#*#* OR *#*#0289#*#* Audio test

*#*#0842#*#* Vibration and Backlight test

*#*#2663#*#* Displays touch-screen version

*#*#2664#*#* Touch-Screen test

*#*#0588#*#* Proximity sensor test

*#*#3264#*#* Ram version

*#*#232331#*#* Bluetooth test

*#*#7262626#*#* Field test

*#*#232337#*#* Displays bluetooth device address

*#*#8255#*#* For Google Talk service monitoring

*#*#4986*2650468#*#* PDA, Phone, Hardware, RF Call Date firmware info

*#*#1234#*#* PDA and Phone firmware info

*#*#1111#*#* FTA Software version

*#*#2222#*#* FTA Hardware verion

*#*#44336#*#* Displays Build time and change list number

*#06# Displays IMEI number

*#*#8351#*#* Enables voice dialing logging mode

*#*#8350#*#* Disables voice dialing logging mode

**05***# Execute from Emergency dial screen to unlock PUK code

qkster said:

I found this:
http://www.freeyourandroid.com/guide/build-prop-modifications

Click to expand...

Click to collapse

Wow... you are the man!

diablo009 said:

Wow... you are the man!

Click to expand...

Click to collapse

have fun...

please help i factory reset my s9+ and now it wont let me connect to internet