12 Hidden Smartphone Codes You Should Start Using ASAP

Impress your most tech-savvy friends with these secret smartphone codes they probably don’t know.
wavebreakmedia/Shutterstock 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!
Android & iPhone code: *#06#
alexialex/shutterstock 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. Find out the 8 creepy things your smartphone knows about you .
Android code: *#*#4636#*#*
alexialex/shutterstock This code will open up a menu that shows information about your phone’s data usages.
Android code: *#*#0*#*#*
alexialex/shutterstock 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. Here are the smartest ways to protect your smartphone when you go to the beach .
Android code: *#*#34971539#*#*
alexialex/shutterstock Remembering this secret series of numbers and symbols means getting your display camera information instantly.
Android code: *#*#232337#*#
alexialex/shutterstock 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. Free up the storage space on your smartphone with these clever tips .
Android code: *#*#7262626#*#*
alexialex/shutterstock 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.
iPhone code: *3001#12345#
alexialex/shutterstock This string of symbols and numbers performs the function of giving you a field test, showing cell signal and reception readings. Check out the 9 hidden symbols you never knew you could text .
iPhone code: #43#
alexialex/shutterstock Typing in this secret code on your iPhone will allow you to disable call waiting.
iPhone code: *43#
alexialex/shutterstock Did you accidently accidentally type the code that disabled call waiting? No worries, use this code to enable call waiting again.
iPhone code: *3370#
alexialex/shutterstock 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. These are 10 secrets for a better smartphone battery life .
iPhone code: Enter *67 before you typing a phone number
alexialex/shutterstock 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!
iPhone code: *#67#
alexialex/shutterstock 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 .