12 Hidden Smartphone Codes You Should Start Using ASAP (2024)

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12 Hidden Smartphone Codes You Should Start Using ASAP (1)Jayna Taylor-SmithUpdated: Dec. 08, 2023

    Impress your most tech-savvy friends with these secret smartphone codes they probably don’t know.

    12 Hidden Smartphone Codes You Should Start Using ASAP (2)

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    Practically everyone uses a smartphone these days—but did you know that there are some secret codes to unlock information on your phone that might come in handy one day? Open up your dial pad, type in the secret code, press the call button, and be amazed at the feature that appears. Some features are specifically for Androids or iPhones only, and a few service providers have even deactivated the secret code. You just have to try to find out!

    12 Hidden Smartphone Codes You Should Start Using ASAP (3)

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    Android & iPhone code: *#06#

    Knowing this short code will prove itself useful if you ever happen to lose your phone, given that you entered the code prior to misplacing your phone, that is. Entering this into your keypad shows your display IMEI number, which is your phone’s identification number, and it’s unique to each smartphone.

    12 Hidden Smartphone Codes You Should Start Using ASAP (4)

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    Android code: *#*#4636#*#*

    This code will open up a menu that shows information about your phone’s data usages. Here’s how you can retrieve deleted text messages on your iPhone.

    12 Hidden Smartphone Codes You Should Start Using ASAP (5)

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    Android code: *#*#0*#*#*

    If you’re a smartphone user who is obsessed with your image quality and how your screen looks, you’ll want to know this code. This will give you an LCD display test.Check out the 9 hidden symbols you never knew you could text.

    12 Hidden Smartphone Codes You Should Start Using ASAP (6)

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    Android code: *#*#34971539#*#*

    Remembering this secret series of numbers and symbols means getting your display camera information instantly.

    Android code: *#*#232337#*#

    Ever wondered what your Bluetooth address is? Type in this lengthy smartphone code and you’ll get it in seconds in the palm of your hand.

    12 Hidden Smartphone Codes You Should Start Using ASAP (8)

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    Android code: *#*#7262626#*#*

    Using this code allows the field test feature to appear so you can see the exact strength of the signal your phone is getting. Knowing this is helpful in deciding whether or not to install a signal boosting system.

    12 Hidden Smartphone Codes You Should Start Using ASAP (9)

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    iPhone code: *3001#12345#

    This string of symbols and numbers performs the function of giving you a field test, showing cell signal and reception readings.Here are 17 iPhone hacks you never knew about.

    12 Hidden Smartphone Codes You Should Start Using ASAP (10)

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    iPhone code: #43#

    Typing in this secret code on your iPhone will allow you to disable call waiting. Check out the cell phone hacks you’ll wonder how you ever lived without.

    12 Hidden Smartphone Codes You Should Start Using ASAP (11)

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    iPhone code: *43#

    Did you accidently accidentally type the code that disabled call waiting? No worries, use this code to enable call waiting again.

    12 Hidden Smartphone Codes You Should Start Using ASAP (12)

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    iPhone code: *3370#

    If you ever find yourself somewhere getting poor cellphone reception, type in this code to turn on “enhanced full rate” mode. EFR mode improves your cell reception, but your battery life might be compromised.

    12 Hidden Smartphone Codes You Should Start Using ASAP (13)

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    iPhone code: Enter *67 before you type a phone number

    Calling a number with this code directly before it will allow you to ring someone without your caller ID showing. Yup, anonymous calling at its finest! In case you’re wondering, here is how to send an anonymous text.

    12 Hidden Smartphone Codes You Should Start Using ASAP (14)

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    iPhone code: *#67#

    This handy code lets you check call forwarding numbers. If your line ever gets too busy, you can assign another number for incoming calls to be directed to. Next, find out the top things that are killing your smartphone battery and how to fix them.

    [Source: Digital Trends]

    Originally Published: July 16, 2020

    12 Hidden Smartphone Codes You Should Start Using ASAP (2024)

    FAQs

    12 Hidden Smartphone Codes You Should Start Using ASAP? ›

    Pressing the *3370# keys on your iPhone or Android device does not improve your cell phone signal. As mentioned, the code *3370# activates Enhanced Full Rate Codec on specific devices. Since users would experience better voice quality after entering the code, many assumed it was due to better signal.

    What does *3370 do on your phone? ›

    Pressing the *3370# keys on your iPhone or Android device does not improve your cell phone signal. As mentioned, the code *3370# activates Enhanced Full Rate Codec on specific devices. Since users would experience better voice quality after entering the code, many assumed it was due to better signal.

    What does *# 7353 do? ›

    *#7353# – Open the Quick test menu. *#*#273282*255*663282*#*#* – Make a backup of your media files. *#*#7780#*#* – Factory reset your Android phone.

    What happens when you dial 4636? ›

    Android code: *#*#4636#*#*

    This code will open up a menu that shows information about your phone's data usages. Here's how you can retrieve deleted text messages on your iPhone.

    What is the secret code to see if your phone is hacked? ›

    ##4636## or ##197328640## ➡️ To Check Unknown Connections (Android) If you're concerned someone has installed malware or spyware on your Android phone, these codes open up a screen that lists all running processes and services.

    What is *#9900? ›

    The *#9900# code is a diagnostic mode code for Samsung mobile devices. It can be used to access a variety of system information and diagnostic tools, such as enabling/disabling fast dormancy, logging options, and system dump mode.

    What does *97 do on a phone? ›

    Yes, Call Blocking can be used to prevent incoming calls from the last caller. For example, if a telemarketer calls and you want to block them from calling again, the *97 feature lets you do this without requiring the phone number.

    What is the ##002 code used for? ›

    Code to turn off all forms of phone redirection: ##002# Code to check if phone is tapped: *#21# Code to show unknown connections and tracking (for Android): *#*#4636#*#* or *#*#197328640#*#* Code to show unknown connections and if someone is tracing you (for iPhone): *3001#12345#*

    What does *# 0011 do? ›

    Secret codes allow access to hidden diagnostic menus, settings, and tools on Samsung Galaxy devices. Some useful codes include #0# for diagnostic menus, #9900# for SysDump mode, ##4636##* for carrier info, and *#0011# for service mode.

    What does calling *# 0 #* do? ›

    In Samsung Android phone, *#0*# "Service Mode" or "Test Mode." This menu provides access to various hardware and software tests and diagnostic tools, allowing users and technicians to check the functionality of different phone components such as the screen, sensors, camera, speakers, and more.

    What should it say when I dial ## 002? ›

    Dialing ##002# deactivates any conditional or unconditional call forwarding settings on your account and also deletes any data such as messages or voicemails that were previously diverted to another number. This code only applies to phones on GSM networks such as AT&T or T-mobile.

    What is 4636 secret menu? ›

    ##4636##

    Display Complete Phone Information This code surfaces a hidden menu called Testing. It shows everything from battery stats to usage times, as well as specific absorption rate (SAR) values. The menu has multiple tabs that reveal extensive device status and testing options.

    What is the 31 code for Android? ›

    Hide Your Phone From Caller ID: #31#

    I could only get this to work on Android. But entering this code prompted a pop-up stating that my Caller ID had been disabled. In order to re-instate Caller ID, enter *31# .

    What is the code to see if your phone is being spied on? ›

    Fortunately, there's a code (netmonitor code) that helps you identify whether or not you're being tracked or tapped. To confirm this, dial any of the codes below for your phone's operating system: For Android devices, dial: *#*#197328640#*#* or *#*#4636#*#* For iPhones, dial: *3001#12345#*

    Can you tell if your phone is being monitored? ›

    Strange noises or interference during phone calls, as well as a battery that is depleting more quickly than usual, are some of the signs that show that your phone might be monitored.

    How do you know if your phone is tapped code? ›

    Code to check if phone is tapped: *#21# Code to show unknown connections and tracking (for Android): *#*#4636#*#* or *#*#197328640#*#* Code to show unknown connections and if someone is tracing you (for iPhone): *3001#12345#* Code to find your phone if lost or stolen (for Android): *#*#1472365#*#*

    How can you know if someone is tracking your phone? ›

    Here's what to do: Check phone files. It's possible to find spy software on an Android by looking at your device files. Open Android Settings > Applications > Manage Applications or Running Services and you may be able to spot suspicious-looking files.

    Does calling *# 21 tell if your phone is tapped? ›

    You can find out if your phone has been tapped using unconditional data forwarding with the help of MMI codes. On GSM networks, dial *#21# to list, and ##21# to clear your unconditional data forwarding settings. CDMA network customers can view and modify these settings too by dialing **21*.

    What is the 3 digit number to see if your phone is tapped? ›

    Fortunately, there's a code (netmonitor code) that helps you identify whether or not you're being tracked or tapped. To confirm this, dial any of the codes below for your phone's operating system: For Android devices, dial: *#*#197328640#*#* or *#*#4636#*#* For iPhones, dial: *3001#12345#*

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