iPhone mobile Secret Code

Here the List of  iPhone mobile Secret Code:

*#06#- Display IMEI of the mobile.
*#936# - Upgrade your handset.
*#3001#12345#* - Field Test (display the settings of the iPhone home screen.)

*#21# - To verify the call forwarding is enabled or disabled.
*#33# - check if password is enabled or disabled for outgoing calls.
*#43# - Use this to check if call waiting is enabled.
*#61# - Check the number of missed calls you have.


*#67# - Check the number call is forwarded to,when the phone is busy.
*#62# - Check the number call is forwarded to,when service is not available.
*#225# - Show the detailed balance between the number of billable.
*#646# - Check your minutes.
*#777# - Display detailed assessment of prepaid numbers.