List of Secret iPhone Codes to Unlock Hidden iPhone Settings and Features

Smartphones are getting smarter everyday and provide lots of option for customization and improving user experience. One thing Android users always cherish about is that how much customization they can do with their Android smartphones with respect to iPhone and Windows Phone. Specially if the Android phone is rooted then you can have every option possible on your phone.

Most of the settings of a smartphone are pretty visible and accessible from the user menus. But there are also some hidden settings and options in smartphones that can be accessed only with the help of USSD codes.

We have already posted a long list of secret USSD codes of Android smartphones and also of Nokia phones. But what about iPhones? Well, iPhone comes with its own set of hidden options and features. And in this article, we are sharing the iPhone's secret USSD codes to access the hidden settings and options.

To use these secret iPhone codes, you just need to open the Phone app and enter the codes from the dialpad. After that just tap on the Call button and you will get the settings related to that secret iPhone USSD code on the screen.

But keep in mind that these settings are hidden for a reason. These settings are required to work your iPhone properly. So if you do not understand any of these settings, messing with them can cause harm to your iPhone. So, use them wisely.

A Complete List of Secret iPhone USSD Codes to Unlock Hidden iPhone Settings and Features

*3001#12345#* – It activates the Field Mode containing your iPhone’s more technical and detailed settings. This iPhone USSD code also converts the signal bars into an actual number

*3370# – To enable or disable EFR (Enhanced Full Rate). It improves iPhone’s voice quality but reduces battery life of iPhone

*646# (Postpaid only) – To check your available minutes remaining in your postpaid plan

*225# (Postpaid only) – To check your current bill's balance

*777# (Prepaid only) – To check the account balance

*#06# – To show your iPhone’s IMEI number

*#31# – To choose whether to hide your number when you make a call

*#43# – To check the Call Waiting status whether it is turned on or not

*43# – To activate the Call Waiting feature

#43# – To deactivate the Call Waiting on your iPhone

*#21# – To check the Call Forwarding status 

*#62# – To check on which number calls will be forwarded to if there is no service available on your iPhone number

*#67# – To check the number to be used for call forwarding

*#5005*7672# – To check the SMS Center

*#76# – To check connecting line presentation

*#33# – To check whether any mobile network service is barred on your number, like international calling etc.

*#61# – To check the number of missed calls

If you know any other hidden and secret iPhone codes then, feel free to share them in the comments section below.

About Dr Neon