Your iPhone smartphone has secret codes that could identify if someone is spying on your device. Security experts claimed that these codes would help you know if someone is hijacking your calls or texts. 

Your iPhone is Vulnerable to Hijacking Calls and Texts; These Secret Codes Could Help You Avoid Them
(Photo : Photo by Justin Sullivan/Getty Images)
Apple CEO Steve Jobs watches a video of the new iPhone 3G as he delivers the keynote address at the Apple Worldwide Web Developers Conference June 9, 2008 in San Francisco, California. Jobs kicked off the 2008 WWDC conference with a keynote where he announced an upgraded version of the popular iPhone called the iPhone 3G.

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According to Gadgets Hacks' latest report, hackers and other malicious actors have various methods to listen to your phone conversations with other users. One example of this is exploiting the SS7 protocol vulnerabilities on the user's network provider. 

On the other hand, cybercriminals could also use a software-defined radio to hijack your LTE calls. However, spyware, malware, and other device viruses are usually the ones used by hackers to breach your iPhone. 

Aside from these, Toms Guide previously reported that various apps could be used to hijack your phone messages and calls. But, these secret codes on your iPhone could help you know if someone is reading or listening to your conversations. 

How to use your iPhone's secret codes

Your iPhone's secret codes are also called interrogation codes. To use them, all you need to do is dial the code in your device's Phone app. After that, you can now click the call button. If you are not familiar with or have no idea what these codes are, here are their functions:
Your iPhone is Vulnerable to Hijacking Calls and Texts; These Secret Codes Could Help You Avoid Them

(Photo : Photo by Justin Sullivan/Getty Images)
The new iPhone 5S with fingerprint technology is displayed during an Apple product announcement at the Apple campus on September 10, 2013 in Cupertino, California. The company launched the new iPhone 5C model that will run iOS 7 is made from hard-coated polycarbonate and comes in various colors and the iPhone 5S that features fingerprint recognition security.
  • *#62# - Call Forwarding When Unreachable
  • *#67# - Call Forwarding When Busy or Rejected
  • *#21# - Non-Conditional Call Forwarding
  • *#004* - Conditional Call Forwarding
  • *#002# - All Call Forwarding
  • *#61# - Call Forwarding When Unanswered

Another method to use 

Besides checking the secret codes, you can also check if your call's toggle button is off. The first thing you need to do is navigate to your iPhone's Settings apps. After that, you need to click the "Go To Phone" option and then tap on the "Call Forwarding" button. 

On the other hand, if you have two lines on your iPhone, you can do the mentioned process on each of the lines. Once you are finished, you can now check if there is only one toggle button on your device that is off. If you see this, then your device is safe from hijacking.   

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Written by: Giuliano de Leon.

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