Like all other famous gadgets, your iPhone has its own secrets. Read on and we’ll inform you about a series of hidden codes that unveil secret actions. These short codes will either uncover hidden menus or act as direct commands. They provide additional information about your device and tweak current settings.

Some settings can be also modified from your traditional iOS Settings app. However, if you wish to be one step a head and impress your friends with your superior iPhone knowledge, read on and get the most important secret codes available for your iOS device.

Do note, that some tricks might not work with all carriers. It depends on the features made available by each telecommunication company.

These secret codes are combinations of numbers and the *(asterisk) and # (number sign) symbols. They are used with the help of your iPhone’s dial pad. Simply open the Phone app and tap on keypad. Now, input one of the available codes. Depending on the type of the combination, you’ll have to press the green call button or not. Some short codes like the one used for displaying your iPhone’s IMEI for example, will automatically run without needing the Call confirmation. This depends if the combination addresses a carrier setting or your own device.

Code: *#31#
Feature: Block your number.

Code: #31#Phone number + call
Feature: block number for call.

Code: *#06# then press call.
Feature: Get your IMEI number.

Code: *3001#12344#
Feature: Get a more precise signal strength.

Code: *#21#
Feature: Decline calls without them knowing.


Code: *#43#
Feature: Turn on/off call waiting.


Code: *646#
Feature: Check how many minutes you’ve used.


Code: *225#
Feature: Check the balance of your plan.


Code: *3282#
Feature: Get your cell phone plan texted to you.


Code: *#62#
Feature: View all missed calls.


Code: *3370#
Feature: Improve iPhone voice quality.


Code: *3001#12345#*
Feature: Activate field mode.


Code: *#5005*7672#
Feature: Check SMS number.


Code: *646# (post paid only)
Feature: Display your available minutes.


Code: *225# (post paid only)
Feature: Get your current bill plan.


Code: *#21#
Feature: Check call forwarding status.


Code: *#62#
Feature: Check # calls will be forwarded to if no service.


Code: *#76#
Feature: Check connecting line presentation.


Code: *#67#
Feature: Check the number to be used for call forwarding.


Code: *#33#
Feature: Check whether anything is barred.

Code: *#61#
Feature: Check number of missed calls.

Code: *#43#
Feature: Check call waiting status.

Code: *43#
Feature: Activate waiting.

Code: #43#
Feature: Deactivate waiting.


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