Yes, the *#21 code is safe to use.
Understanding *#21 Code
The *#21 code is a special code used on mobile phones to check the status of call forwarding. It does not enable or disable any services, rather, it provides you with information on the current settings for call forwarding on your device.
How It Works
- Dialing *#21 on your phone will initiate a query to your mobile carrier's network.
- The network will then respond by displaying information related to call forwarding settings. This includes whether call forwarding is enabled, and if so, to which number calls are being forwarded.
What The Code Does
- The *#21 code is simply used for informational purposes and does not cause any changes to your device's configurations.
- It is not a code to use for hacking or “tapping” someone's device.
- It shows you the status of your device's current settings only.
Reference Information
According to the reference, these secret codes are harmless as your phone isn't being "tapped." They only provide you with the status of different settings. They do not provide any sort of security threat to your phone.
All that code does is tells you if call forwarding is on or off. There's a whole bunch of things you can do with these secret "codes." they are harmless as your phone isn't being "tapped." They are simply giving you the status of things on your device.
In Conclusion
- The *#21 code is a harmless way to check your phone's call forwarding status.
- It does not pose any security risk or 'tap' your phone.
- It simply displays the current settings, allowing you to see if call forwarding is turned on or off, and if it is, the forwarding number.
