Pressing *#21# on an iPhone is a diagnostic command that allows users to check the status of call forwarding settings. It does not enable or disable call forwarding but simply provides information about whether call forwarding is active and to which number calls are being forwarded.
What Does *#21# Do on iPhone?
Understanding the Function of *#21#
The primary function of dialing *#21# on an iPhone is to check the status of call forwarding settings. This command is part of a set of GSM codes used to access various service settings provided by your mobile carrier. When you enter this code, your iPhone will display the current status of call forwarding, indicating if it’s enabled and, if so, to which number calls are being redirected.
How to Use *#21# on iPhone
Using the *#21# command is straightforward:
- Open the Phone app on your iPhone.
- Navigate to the keypad.
- Enter *#21# and press the call button.
Your iPhone will display a message with the current status of call forwarding settings.
Why Use *#21# on iPhone?
There are several reasons why you might want to use this feature:
- Troubleshooting: If you’re missing calls, checking the call forwarding status can help identify if calls are being redirected elsewhere.
- Security: Ensuring that your call forwarding settings are correct can prevent unauthorized redirection of your calls.
- Convenience: Quickly verify your settings without navigating through multiple menu options.
Common Misconceptions About *#21#
It’s important to clarify some common misconceptions about this command:
- Does Not Change Settings: Dialing *#21# does not activate or deactivate call forwarding; it only provides information.
- Not a Spy Code: This command is not used for spying or accessing hidden phone features. It’s a standard diagnostic tool.
- Carrier-Specific: The effectiveness and availability of this code can vary depending on your mobile carrier.
Related Commands for iPhone
Here are some other useful GSM codes for checking call settings:
| Command | Function |
|---|---|
| *#62# | Check the number for call forwarding when unreachable |
| *#67# | Check the number for call forwarding when busy |
| *#61# | Check the number for call forwarding when not answered |
How to Disable Call Forwarding on iPhone
If you discover that call forwarding is enabled and wish to turn it off, follow these steps:
- Open the Settings app.
- Tap on Phone.
- Select Call Forwarding.
- Toggle Call Forwarding off.
People Also Ask
What Happens If I Dial *#21#?
Dialing *#21# will display the current status of call forwarding settings on your iPhone. It shows whether call forwarding is active and the number to which calls are being forwarded.
How Can I Tell If My Calls Are Being Forwarded?
You can check if your calls are being forwarded by dialing *#21#. This command will display the status of call forwarding settings, indicating if calls are being redirected.
Is *#21# a Code to Block Calls?
No, *#21# is not a code to block calls. It is used to check the status of call forwarding settings on your iPhone.
Can *#21# Be Used on All Phones?
The *#21# command is a GSM code, so it is generally available on GSM networks and supported devices, which include most iPhones. However, its functionality may vary depending on your carrier.
How Do I Know If *#21# Worked?
After dialing *#21#, your iPhone should display a message with the current status of call forwarding. If no message appears, the command may not be supported by your carrier.
Conclusion
Understanding what pressing *#21# does on your iPhone can be a valuable tool for managing your call settings and ensuring your calls are directed as intended. While this command only provides information, it is a useful diagnostic tool for troubleshooting and verifying your phone’s settings. For further assistance with call settings, consider contacting your mobile carrier or exploring additional settings in your iPhone’s menu.
