IPHONE SECRET SETTING CODE
Follow the list of latest iPhone codes list:
Code Action

*#61# and tap Call To verify the number of unanswered calls

*#62# and tap Call Use to verify the number for call forwarding

*#06# To display the IMEI Number of the mobile

*777# and tap Call To display the account balance information for prepaid iPhone

*225# and tap Call To display the account balance information for Postpaid iPhone

*#67# and tap Call To display the number for call forwarding when the iPhone is busy

*3001#12345#* To display many of the inner settings of your iPhone

*#21# To verify the call forwarding is enabled or disabled

*646# and tap Call To display the Post-paid minute balance
*#33# and tap Call To Check for call control bars.