*#06# = It displays your phone IMEI details (each phone have different IMEI. Its used to track your phone).

*3001#12345#* -> Tap call = To enter Field Mode (It reveals iPhone inner settings like up to date network, call informations etc.)

Call Baring :

*#33# = Check the call baring (restriction) status of outgoing calls, internet data usage and texts.Actually call baring is used to protect accident calls.

*33*pin# = To turn on call barring.

#33*pin# = To turn off /unlock call barring.

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Call Waiting :

*#43# = Check call waiting status. Check if call waiting is enabled or not. This feature allow you to receive other calls when you are already engaged with someone in conversation.

*43# = Enable call waiting.




#43# = Disable call waiting.

Call Forwarding :

*#21# = Check all call forwarding status.

*#62# = Check call forwarding when phone unreachable.

*#67# = Check call forwarding when phone busy.

##002# -> Tap call = To disable all call forwarding.

Hide your number on calls :

*#31# = To check the outgoing call anonymity status. You can hide your number in outgoing call. This code will help you to check the anonymity status.

#31#phone number -> Tap call = To hide your number for current call only.

*#30# -> Tap call = To check the incoming call presentation status. It will show if iPhone will display incoming calls number.

*#5005*7672# -> Tap call = Get your mobile carrier’s message centre number.

*3370# -> Tap call = to enter EFR (Enhanced Full Rate) mode. It improves GSM conversations voice quality. But little more burn your iPhone batter life. This mode not available on all networks.

*777# -> Tap call = To get the prepaid iPhone account balance.

*225# -> Tap call = To get the Postpaid bill balance.

*646# -> Tap Call = Check the minutes.