What does *#21 do on an iPhone?
The code *#21# on an iPhone is used to check the call forwarding status for voice, data, fax, SMS, sync, async, packet access, and pad access. When you dial this code, your iPhone will display information about whether call forwarding is enabled or disabled for these services.
Understanding Call Forwarding on iPhone
Call forwarding is a feature that allows you to redirect incoming calls to another number. This can be useful when you are unable to answer calls on your primary device. The *#21# code provides a quick way to verify the status of call forwarding settings.
How to Use *#21# on an iPhone?
Using the *#21# code is straightforward:
- Open the Phone app on your iPhone.
- Navigate to the keypad.
- Enter the code *#21# and press the call button.
After a few seconds, your iPhone will display a message indicating whether call forwarding is active for various services, such as voice calls and SMS.
Why Check Call Forwarding Status?
Checking your call forwarding status can be important for several reasons:
- Avoid Missed Calls: Ensure calls are not being forwarded unexpectedly.
- Privacy: Confirm that your calls are not being redirected without your consent.
- Troubleshooting: Resolve issues related to call forwarding, such as calls not reaching your device.
Exploring Call Forwarding Options
In addition to *#21#, there are other codes and settings you can use to manage call forwarding on your iPhone:
| Feature | Code/Setting | Description |
|---|---|---|
| Check Call Forwarding | *#21# | Displays the status of call forwarding services. |
| Enable Call Forwarding | Settings | Go to Settings > Phone > Call Forwarding. |
| Disable Call Forwarding | Settings | Turn off the toggle in the Call Forwarding menu. |
How to Enable or Disable Call Forwarding on iPhone?
To enable or disable call forwarding directly from your iPhone settings:
- Open the Settings app.
- Scroll down and select Phone.
- Tap Call Forwarding.
- Toggle the switch to enable or disable call forwarding.
- If enabling, enter the number to which you want to forward calls.
People Also Ask
What happens if I dial *#21#?
When you dial *#21#, your iPhone will display the current status of call forwarding for various services, such as voice and SMS. This helps you understand if any calls are being redirected.
Can I use *#21# to forward calls?
No, *#21# is only used to check the status of call forwarding. To set up call forwarding, you need to use the settings on your iPhone or contact your carrier for assistance.
How do I stop call forwarding on my iPhone?
To stop call forwarding, go to Settings > Phone > Call Forwarding and toggle the switch off. This will ensure that all calls come directly to your iPhone.
Is *#21# the same on all phones?
The *#21# code is a standard GSM code used to check call forwarding status on many smartphones, including iPhones and Android devices. However, the exact functionality may vary depending on the carrier.
What other codes can I use on my iPhone?
Other useful codes include *#06# to check your device’s IMEI number and *#62# to check call forwarding when your phone is unreachable.
Conclusion
Understanding how to use the *#21# code on an iPhone can help you manage your call forwarding settings effectively. By regularly checking your call forwarding status, you can ensure your calls are handled according to your preferences. For more tips on optimizing your iPhone settings, consider exploring related topics such as how to manage voicemail settings or troubleshooting iPhone call issues.
