iPhones are not just status symbols, they are powerful devices with notable features and some hidden functionalities. One of the notable features of the iPhone is the support for secret codes or USSD codes that provide access to various settings and information quickly. Secret codes are special codes that are dialed directly from the phone’s dialer to retrieve information without needing to navigate through the settings menu. Some of the codes are universal, while some depend on mobile devices, mobile carriers, OS versions, and regions. In this article, I will explain some of the most useful iPhone secret codes every iPhone owner should know.
Also read: How to Fix “Charging on Hold” on iPhone
iPhone secret codes
Here are some commonly-used iPhone secret codes:
- *#31# – This code hides your caller ID when making outgoing calls.
- **3001#12345# **– This code accesses the iPhone’s Field Test mode, which provides detailed information about the device’s cellular connection.
*#3282*727336*– This code provides detailed information about your data usage- *#06# – This code displays the IMEI (International Mobile Equipment Identity) number of the device.
- **#67# – This code displays the number that call forwarding is currently set to.
- **#21# – This code displays the status of call forwarding for the device.
- **#62# – This code displays the number that the device is currently forwarding calls to if it is unanswered.
- **#33# – This code displays the call control bars status on the device.
- *#86# – This code is used to check the number for your voicemail service.
*#7780#– This code resets all network settings to default.
How to Use iPhone Secret Codes
Using secret codes on your iPhone is straightforward:
- Open the Phone app.
- Tap on the Keypad tab.
- Enter the desired secret code.
- Press the Call button.
- The result will be displayed on your screen immediately
It is worth noting that some of these codes may not work on all carrier or all iPhone models. Some of these codes may not be safe to use and may cause issues with your device. Using secret codes can enhance your iPhone experience. It is used to provide quick access to valuable information and settings. From checking your IMEI number to managing call forwarding, these codes can cater to different needs. With this knowledge, you can make the most of your iPhone and troubleshoot issues with ease.

