SECRET: 40 Codes to Unlock Hidden Features On Your Android Phone

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40 codes to unlock hidden features of your Android phone
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For most of us, the android smartphone code #31# is quite popular but do you know there are over 100 more hidden android phone codes you can do basically anything with?

As humans, we wired to have things easily done for us. Our android smartphone is one of such invention that has truly made things so so easy. But even with all we could do with them, there those hidden features we never get find out about.

The good thing is knowing specific codes that we can type into your android phone can unveil some of these features.

Here are about forty essential smartphone codes to unlock those hidden features you didn’t know your android phone had.

To Display Phone Information about your android phone

Knowing your Android phone information can give you detailed  information about such as the CPU capacity, battery health, memory and storage usage etc.  If you want to get a general information about your android device, simply dial the code below:

*#*#4636#*#*

To Display Your Phone IMEI Number

IMEI stands for International Mobile Equipment Identity. It is a 15- or 17-digit code that uniquely identifies mobile phone sets. The IMEI code can enable a GSM (Global System for Mobile communication) or UMTS (Universal Mobile Telecommunications Service) network to prevent a misplaced or stolen phone from initiating calls.

To know the IMEI of your android phone, use this code:

*#06#

To Test For Your Phone Vibration and Backlight

If you don’t know what a backlight is,  the backlight is the thing that permits you to see your cell phone in the dark. With the backlight off it won’t sparkle in the dark. Having it on continually will deplete your battery more so than having it off. You can test for you phone vibration and it’s backlight together. To do this, type:
*#*#0842#*#*

About Phone

If you want to get information about your phone such as Phone information-which allows you to run a ping, Battery Health-which tells whether a battery is good or bad, Battery Temperature-To check if the battery is responsible for the phone heating up, etc, then type in:

*#*#4636#*#

Hide Your Phone Caller ID

You want to play ‘detective’ with your android phone? You can hide your caller ID when you are making a call,  such that the recipient of your call never get to guess it’s you. To hide your caller ID, type:

#31#

To Undo, type :

*31#

Quick Backup

A backup is a copy of one or more files created as an alternate in case the original data is lost or becomes unusable. For example, you may save several copies of your pictures, PDF files, videos on your phone as backup files in case it becomes lost. If you want to run a quick backup of all your media file with your Android,  simply type:

*#*#273283*255*663282*#*#*

RAM Version

If you don’t know what a RAM stands for, it means: Random Access Memory. RAM is used to hold the data a phone is currently using. That way the storage of your phone doesn’t slow down the system.

RAM enables your phone to multitask with different apps, and still maintain the optimum speed of the phone while running these apps. The higher the RAM, the higher is the speed. To know the RAM version of your android phone, key in this code:

*#*#3264#*#*

Touch Screen Test

If you feel that your phone is a having dead spots, or there are areas which doesn’t respond to your touch, then you should run a ‘Touch screen test’. To do so, type:

*#*#2663#*#*

Formatting Your Phone

Formatting a phone means wiping out all your data which the phone starts retaining after you start using it. It clears the memory. Files are deleted. After formatting a phone, your Gallery, pictures, messages, songs, videos , every file will be gone. It is advisable to backup before formatting.

*2767*3855#

Restore Factory Settings

You can restore factory your Android phone in a quicker way. Restore factory means your phone go back to how it looked when you bought it newly. The difference is that your files will be intact. But you have to start installing apps, synchronizing your Gmail accounts, customizing your phone, and so on. To restore to factory setting, type:

*#*#7780#*#*

Phone Camera Details

You can get information about your phone cameras (front flash and back camera) more than is described on the phone’s manual guide, such as the pixel, the focus strength, the opacity, the flash to blur ratio, and so on. To do this, type:

*#*#34971539#*#*

Testing Phone’s Bluetooth

Testing your phone’s bluetooth can help you know the reason why your bluetooth may be having issues with connecting with other devices. It is a sort of diagnostic test to see what could be wrong. To do this, simply type:

*#*#232331#*#*

To Get Bluetooth Address

Just as the Wifi has signatures used for traces and identification, so also does the bluetooth has a signature too.  To get this, type:   

*#*#232337#*#*

Hidden Service Menu

Mobile manufacturers include hidden service menus which cannot be accessed normally. These menus allow users (or developers) to access some technical information and service personnel to access service details etc. To access the hidden menu of access Android device, type:

##7764726

Google-Talk Monitoring

Google Talk is a chat and voice application by Google.  It is now known as Google Hangout currently.  On the other hand, Google Talk Service Monitor in android allows your phone to monitor Google Talk host,  port your Google JID, your Device ID, GTalk connection status , your connection history, your current GTalk presence, and many other things like GTalk heartbeat status. To do this, type:

*#*#8255#*#*

Changing Power Button Behavior

You can change the power button behaviour of your device such that instead of bringing out the options of Silent Mode, Airplane Mode or Power off, you can just use the power key to power your phone right off. To do this, type:

*#*#7594#*#*

Audio Test

This test is also referred to as Melody test. You can use it to test for the external speaker of your android phone i.e the speaker that enables you to play music. To run audio test on your Android phone, type:

*#*#0673#*#* OR *#*#0289#*#*

LCD Display Test

This test is done to see if the screen of your phone is an LCD screen type or an AMOLED screen. During such test,  if your phone screen shows any light, it’s an LCD, but if it goes completely dark, its an AMOLED screen. To run the test on your Android device, type:

*#*#0*#*#*

Field Test

You can run this test as a result of a pre-installed software (Field Test Mode or Field Test Display)  application on mobile phones. Running field test provide you with technical details, statistics relating to the mobile phone network and allows you to run hardware tests on the phone. To do this, type:

*#*#7262626#*#*

Data Usage Status

When it comes to cell phone plans, data usage is basically the amount of data you use in a billing cycle (usually a month). Your cell phone data plan is used whenever you use your phone’s internet connection. You can get the status of your data usage by typing:

*#3282*727336*#

SoftWare and Hardware Info

To get information about the software and hardware make of your phone, type :

*#12580*369*

Battery Status

When we talk about battery status, we are talking about the battery ability to charge full to capacity. It also refers to the battery health (how good or bad it is). To know your battery status type:

*#0228#

Change Service Provider

Perhaps you are getting a low reception of network connection due to the fact that you are far from your service provider, you can cancel your phone registration from your service provider and connect to the nearest tower in the area by typing in:

##21#

Launching Service Mode

Service mode is a secret function embedded in modern smartphones that enables easy diagnosis for a variety of problems. To access the service mode of your Android device, simply type:

*#*#197328640#*#*

Diagnostic Configuration

You can assess the diagnostic tool of your android phone, and reconfigure your phone to your preference. To do this, type:

*#9090#

System Dump Mode

This mode shows us the dump folder of everything in our phones. This includes those of apps, wallpapers and a bunch of other things we don’t have any idea about. To access your phone dump mode, type:

*#9900#

Execute Emergency Dial Screen To  Un-block PUK Code

Simply dial the code:  

**05**#

Test Distance/Proximity Of Sensor

You want to know the proximity or distance of your Android device, simply type ;

*#*#0588#*#*

Testing Hidden GPS

Your Android device has a stealth GPS tracker that enables you to track other android devices, without the target device being aware. To test for your phone hidden GPS, type:

*#*#1472365#*#*

Test other GPS

You can also use your android device to test for other GPS tracker around. To do this, type:

*#*#1575#*#*

Test Wifi/Wireless LAN

Want to know about your device WiFi strength, Proximity, etc, you can type:

*#*#232339# *#* OR *#*#528#*#* OR
*#*#526#*#*

Display Wi-Fi MAC Address

Every WiFi device has a signature by which it can be used for identification, and traces. To know your WiFi Mac Address, type:

*#*#232338#*#*

Packet Loopback Test

A loopback test is a test in which a signal in sent from a communications device and returned (looped back) to it as a way to determine whether the device is working right or as a way to pin down a failing node in a network. To perform a loopback test with your Android, type:

*#*#0283#*#*

Other Features Includes:

Voice Dialing Logging Mode

Voice dialing is a feature  that lets you say the name of the person you want to call rather than dial their number. You can record 100 or more voice contacts through your phone. To do this type:

*#*#8351#*#*

Disable Voice Dialing Logging Mode

If you don’t want your phone to function on a voice dialing log mode, you can deactivate the feature by typing:

*#*#8350#*#*

USB Logging Control

This is also known as USB debugging mode. This   is a mode that lets Android devices communicate to computers with the purpose of making Android apps easier for developers. It allows certain access to specialized areas of the phone that most people don’t need to interact with regularly. To do this, type:

*#872564#

To Display HSDPA/HSUPA Control Menu

HSDPA (High-Speed Downlink Packet Access)/HSUPA (High-Speed Uplink Packet Access)  is a packet-based mobile telephony protocol used in 3G UMTS radio networks to increase data capacity and speed up transfer rates. You can get the hidden menu for them on your Android where you can have control over them. To do this, type:

*#301279#

Proximity Sensor Test

Proximity sensor is a small little sensor, usually located on the top of the phone, next the logo or speaker which you place close to your ear during calls. Its purpose is to know when you put your phone to your ear, so that the phone will lock, and you won’t accidentally press keys when talking to other people.

It then is supposed to realize when you’re removing your phone from your ear so that it can show the display again. To test  for this, type:

*#*#0588#*#*

To Display FTA SW Version

FTA is a device pre installed in your Android device to make it behave like a satellite receiver. To display the software version for your Android phone, type:

*#*#1111#*#*

To Display FTA HW Version

The hardware version can be know by typing the below code:

*#*#2222#*#*

android secret features

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