Do you know that the iPhone also has secret codes to carry out different things?
Every different smartphone has its secret codes derived from its manufacturer.
Sometimes, it becomes difficult to track all secret codes and utilize them.

This article will share some of the best iPhone secret codes.
This iPhone secret code can help you find the accurate signal strength of your data pipe in decibels.
The numbers behind the rsrp0 are your iPhone cellular signal strength in dBm.

For those unfamiliar, if the numbers behind rsrp0 are between-50dBand-60dB, the signal strength is excellent.
It is good between -70dB and -90 dB.
Anything beyond -100dB means the signal strength is poor.

You will be redirected to the Field test page to find information about your online grid.
To check the signal strength, hold the Power button until the Slide to turn off option appears.
Once the Slide to Turn Off option appears, press & hold the home button instead of sliding.
You will now see the data pipe strength in decibels on your iPhones status bar.
Hide Your Caller ID
You might have received many calls on your iPhone with no or unknown caller ID.
Have you ever wondered how that is possible?
Few carriers support hiding the caller ID, allowing users to make anonymous calls.
If your carrier supports hiding caller ID, it will be hidden or shown as Unknown.
Depending on your carrier, you oughta dial the following codes on the dialer.
you could grab that SMS Center number with this code.
kick off the iPhones dialer, key in in the code, and press the Call button.
you’re free to see whether Call waiting is enabled or disabled on your iPhone.
you gotta enter *43# on your iPhones dialer to allow the Call to wait.
This will ultimately disable Call waiting.
Call Barring is a feature that blocks incoming and outgoing calls.
Enter 33pin# (Replace pin with your SIM PIN) to unlock the call barring.
Once done, tap on the call button.
Check the Call Forwarding Status
Call forwarding is a feature that lets you divert incoming calls to another number.
This is a great feature, and many users enable it to prevent disturbance.
Theres a secret code that displays the current Call forwarding status.
Open your iPhones dialer, pop in the code we shared, and press the Call button.
This will display your iPhones call forwarding status.
Divert Calls to Another Number
Well, this code is a part of the Call forwarding USSD code.
kindly replace the phonenumber with the number you want your calls to be diverted.
If Call Line Presentation is disabled, you will not see the phone number when someone calls you.
you’ve got the option to confirm the same by using the code we have shared.
you could use this code if you dont have an internet connection and want to check the traffic information.
The code shows you the local traffic information.
You may need to check your iPhones IMEI number at some point.
you might use the USSD code *#06# to check the IMEI number of your iPhone.
View iPhone IMSI
IMSI is different from IMEI number.
Its a unique 15-digit number that identifies every GSM and UMTS web link user.
On iPhone, you’ve got the option to use this USSD code to find the IMSI number.
Heres the code you need.
launch the dialer of your iPhone and dial the *#07# and press call.
This will show you all the legal information about your iPhone.
Above are the top bestiPhone Secret Codes.
Let us know if you use any other USSD codes on your iPhone.