iPhone tapped test says setting interrogation failed an “all calls on”

I was doing the *#21# thing to see if my iPhone 11 was tapped or not just cus, but it just says “Setting Interrogation Failed” on top and “On All Calls” below each one. What does this mean?


[Re-Titled by Moderator]

iPhone 12 mini, iOS 16

Posted on Nov 4, 2023 3:14 AM

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Posted on Nov 4, 2023 3:23 AM

Stop believing stuff you see on TikTok, that does not test if you're being tapped. That is a check to see if call forwarding is turned on.


I don't know why the query failed, contact your carrier, call forwarding is their service.

8 replies

Jul 14, 2024 5:40 PM in response to JamGow77

Sure, and I can find websites that say Elvis and Hitler are still alive.

You can beleive whatever you want, there is no code to type in on a phone to check if you're being tapped.


The code *#21# is a service provider-dependent feature access code that can reveal the status of call forwarding on a phone. It can show if voice calls, data calls, and SMS calls are being forwarded to another number. However, it doesn't indicate if a phone has been hacked or tapped.

Nov 4, 2023 3:18 AM in response to acret

acret wrote:

I was doing the *#21# thing to see if my iPhone 11 was tapped or not just cus, but it just says “Setting Interrogation Failed” on top and “On All Calls” below each one. What does this mean?

[Re-Titled by Moderator]

It simply means you are using irrelevant codes, and thus receiving irrelevant results.

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iPhone tapped test says setting interrogation failed an “all calls on”

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