How to access secret areas of iPhone via codes

The functions of the iPhone grow from year to year thanks to the iOS updates, but not everyone knows that, since the first versions of the aforementioned operating system, there are some codes that allow the user to access some secret areas of the Apple smartphone. Today we will therefore go to see all the known ones and, above all, for what reason to use them.

The list of iPhone secret codes

All the codes present below must be typed into the application "Phone", obviously using the classic numeric keypad. To start the code then, all you need to do is start the procedure by clicking on the green call button. Furthermore, some of these can also be used on the iPad by writing them in the notes, clicking on them and then choosing the option "Call XXX", Where "XXX" stands for the chosen code.

• ## 002 #: disable call forwarding
• * # 06 #: view the IMEI code of iPhone (or iPad)
• * # 21 #: enable requests for call forwarding on fax, SMS and more (and change their settings)
• * # 30 #: activate the display of the number in call
• # 31 # (followed by a number to call): call anonymously
• * # 31 #: hide the phone number in call
• * # 33 #: check the activation status of the call barring and obtain useful information about it
• # 43 #: disable call waiting
• * # 43 #: check the call waiting status
• * # 61 #: show the number of missed calls
• * # 62 #: check for call diversions in the absence of service
• * # 67 #: find out if the called number is busy
• * # 76 #: check that the previous command has been executed
• * 225 #: show your prepaid plan account
• * 331 *: block outgoing calls to foreign countries
• * 646 #: show the remaining minutes for prepaid plans
• * 777 #: show the remaining credit for prepaid plans
• *3001 # 12345 # *: open the operator information settings
• * 3370 #: enable EFR (Ehanced Full Rat) mode which improves call quality (reduces battery life)
• * # 5005 * 7672 #: start the SMS service center

For the moment we stop here, but if you are aware of further codes, we invite you to report them in order to update the guide and make it more and more in-depth.

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