Phone manufacturers actually did a great job by adding lots and lots of features year in year out as the mobile technology battle continues among different brands. Even though they have the end users at mind when creating any device, the mobile phone manufacturers still have some secret codes that are supposedly be hidden from the end users.
Apple is not an exemption when it comes to mobile secrets codes, there are tens or even hundreds of undiscovered secret codes for the Apple iPhone series that the users are yet to explore. These codes performs various functions that the company feels the users do not need to know because the codes are created for the so called ‘super users’ or the Apples tech team.
To be fair to Apple Inc., most of the hundreds of codes are not needed by an average user and there may not be need to stick them to the brain. Nevertheless, some of these secret USSD codes performs functions such as unlocking the iPhone, Jailbreaking, Activates hidden functions and many more.
In these post, I have created a list of 14 secret USSD codes that may be useful to the average iPhone user to perform various simple functions.
14 Secret USSD Codes for iPhone
*3001#12345#* – Activate Field Mode. The field mode contains all of your iPhone’s more technical settings. It also converts the signal bars into an actual number. It is a very useful tool for every user, and lets you have more advanced functions on the device. You need to use with caution though.
*#5005*7672# – Check SMS center. Sometimes you discover that we cannot send SMS on your new iPhone device and might be wondering what could be wrong? In most SMS related issues, the message center number is always the cause. Use this code to know if your message center number corresponds with the one your mobile netowrk service uses.
*#31# – Choose whether to hide your number. I have used this function countless of times. If you want a quick way to hide your mobile number before dialing an anonymous call, then this is your best shot. This secret ussd code for iPhone gives you the option to hide you number during calls, and it’s also used to unhide number.
*3370# – Enable or disable EFR (Enhanced Full Rate). Are your callers complaining of poor voice quality when using your iPhone? This code improves your iPhone’s voice quality, but it has a downside of reducing your battery life, so use with care.
*#06# – Displays your iPhone’s IMEI number. This is one of most useful secret ussd code for iPhone devices. This is because an IMEI number is unique for every device and noting it somewhere can be useful for many functions which include blacklisting a stolen device and in some case provided for Apple support.
*#21# – Check call forwarding status.
*#62# – Check which number calls will be forwarded to if no service is available
*#76# – Check connecting line presentation
*#67# – Check the number to be used for call forwarding
*#33# – Check whether anything is barred, such as international calling etc.
*#61# – Check number of missed calls
*#43# – Check call waiting status
*43# – Activate waiting
#43# – Deactivate call waiting
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