iPhone secret codes give unprecedented possibilities

Do you want to discover all the secrets of iPhone? These iPhone secret codes give you access to special functionalities on the iPhone.

iPhone secret codes?

These codes are of course not really secret. They are also not actively kept secret by Apple, but they are not widely known. The philosophy behind this is that the average user does not often need this functionality, or makes mistakes with it, which can cause malfunctions on the iPhone.

Using the iPhone secret codes is especially interesting for the more advanced user or if you want to customize your iPhone to your needs. Are you such a user? Then you will probably find this list very useful.

Many of these iPhone secret codes are USSD codes that sometimes work on Android, but are network dependent. Please note, not every telecom provider supports all of these codes. So experimenting is best. Except with a factory reset, of course.

List of iPhone secret codes

• *#06# shows your iPhone’s IMEI. IMEI (International Mobile Equipment Identity) is a unique identifier of your mobile phone’s hardware. This IMEI is unique for each device and very useful to find your stolen phone. This hack also works on Android.
• *3001#12345#* This puts the iPhone in “field mode”. Instead of … for the signal strength, you now see a negative number that gives more information. This number is the number of decibels of the signal. The closer this number is to zero, the stronger the signal. The values ​​are between -113 and -50, with -50 being the strongest signal. So these iPhone secret codes give you insight like a technician.
  Do you want to keep this setting? Then do the following. Start by holding down the power button until you see the message “slide to power off” on the screen. Then press and hold the “home” button until the home screen returns with the number instead of the dots.
• *67 for the number you want to call: hides your number. This hack also works on Android.
• *21*0612345678# Forward all calls to number 06-12345678. This hack also works for Android.
• #21# Deactivate call forwarding. This hack also works for Android.
• *#21# Shows if your network forwards all calls and to which number. This hack also works for Android.
• *61*0612345678# Forward all calls that you do not answer to number 06-12345678. This hack also works for Android.
• #61# Deactivate call forwarding for all calls you do not answer. This hack also works for Android.
• *#61# Shows if your network forwards all calls you don’t answer, and to which number. This hack also works for Android.
• *62*0612345678# Forward all calls to number 06-12345678, if your iPhone is unreachable. This hack also works for Android.
• #62# Disable network forwarding for all calls if your phone is unreachable. This hack also works for Android.
• *#62# Shows if the network forwards all calls while you are unreachable and to which number. This hack also works for Android.
• *67*0612345678# Forward all calls while you are on a call to number 06-12345678. This hack also works for Android.
• #67# Deactivate this type of forwarding. This hack also works for Android.
• *#67# Check if your phone is forwarded to another number, and shows to which number. This hack also works for Android.
• ##002# stops all (so all forms of) forwarding. Now your network is behaving normally again and sending everything back to your phone. It also works on Android too.
• *646# (postpaid only) Show your available calling minutes.
• *225# (postpaid only) Shows how much you owe.
• *777# Show the balance on a prepaid card.
• *#33# Check if any numbers are blocked on your phone, and show which ones.
• *#21# Displays the status of forwarded calls, by service (call, voice, data, fax, SMS, etc). This iPhone secret code also works on Android.
• *3370# EFR mode Enhanced Full Rate improves the sound quality of your iPhone, but drains your battery faster.
• *#5005*7672# Check SMS center.
• *#43# shows if you have a call waiting.
• *43# Put someone on hold.
• #43# Retrieve a call from hold.

Handy or overkill?

Many of these iPhone secret codes are very useful. Especially the selective forwarding saves you a lot of headaches. The IMEI data is also useful to have on hand if your phone is stolen. This makes it easier for the police to track down the thief.