Cool secret codes on iPhone you should remember

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Sometimes you might feel curious about the secret codes when you dial from your iPhone to know more info of your device. Android devices come with their own set of secret codes but every different smartphone contains its own set of codes, depending on its manufacturer. How about your iPhone? Is there any secret codes hidden in? Luckily, there are a handful of cool iPhone secret codes working on all iPhones. Here are 7 cool secret iPhone codes that you should know.

  1. Call Barring

Code: *33*pin# (Enable Call Barring), *#33# (Check status), #33*pin# (Call Barring)

 iPhone-Secret-Codes-Check-Call-Barring

Call Barring allows you to block all incoming or outgoing calls on your iPhone. If you want to enable/disable it on your iPhone, you can use this code. The “pin” number is the SIM Pin on your SIM card. You can enable it in Settings->Phone->SIM PIN.

  1. IMEI

Code: *#06#

This code is very familiar with many users. You can use this USSD code to check it on almost all phones. However, for the new users, they might have  trouble with  finding the IMEI number and do not know the USSD code. Simply open Phone app, and dial *#06# to get your IMEI.

  1. Calling line presentation

Code: *#30#

 iPhone-Secret-Codes-Check-Calling-Line-Presentation

In case receivers of your calls are not able to see your mobile number, it can be an issue with your number’s Calling Line Presentation. That time you should use this code to check if Call Line Presentation is enabled or not.

  1. Call Forwarding

Code: *#21# (Check Status), *21# (Enable or Disable Call Forwarding), *21mobilenumber# (Divert Calls to this Number)

 iPhone-Secret-Codes-Check-Call-Forwarding

If you do not want to be disturbed by an incoming call while enjoying a favorite music program, you should think about Call Forwarding. It is a feature that allows you to divert incoming calls to another number. You can use this USSD code to check its status on your device or enable diverting calls to another number.

  1. Call Waiting

Code: *43# (Enable Call Waiting), *#43# (Check Status), #43# (Disable Call Waiting)

 iPhone-Secret-Codes-Check-Call-Waiting

This secret code lets you check the status of Call Waiting and enable/ disable it. In case you cannot find the Call Waiting options in your iPhone, you can dial these codes above.

  1. Check SMS center

Code: *#5005*7672#

 iPhone-Secret-Codes-check-SMS-center

When you send a text message, it first goes to a server or SMS center number, then it will be sent it to the number you text message. If you are facing a few issues with SMS, it’d better check the SMS center number. You can use this secret code above to check SMS. Just enter the code in the iPhone’s dialer and press “green call button”.

  1. Field Test Mode

Code: *3001#12345#*

 iPhone-Field-Test-Mode

This secret code helps you open the Field Test Mode, which brings you many technical details with your network. You can also use this code to get a look at your network’s signal strength.

Enter the code in the iPhone’s dialer and tap on the green call button, you will be taken to the Field Test page, where you will find various networks details.

Next, just long -press the Power button until you see the “Slide to turn off” screen. Once you are in the power off screen, simply press and hold the Home button about 5 seconds, you will see that the network signals are replaced with the network strength in decibels.

iPhone-secret-codes-signal-in-decibels

Wait for 5-10 seconds for the network to settle down. Then, you can see a new signal strength, If the number is above -80 (-70,-60), the signal strength is full and if it is below -110 (-120,130), it is the weak signal.

To exit the decibels and get back to the usual network bars, just open Field Test page again with the secret code above and press and hold the Home button.

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