Remember that scene(Opens in a new window) in War Games when the socially broken code monkeys were explaining to aspiring hacker Matthew Broderick all about "back doors" (i.e. secret pathways planted by programmers)? Well, that's actually a thing.
Coders have a storied tradition of baking in secret passageways (or sometimes, just fun little Easter eggs) that can only be accessed by inputting a special "key." And so that tradition continues in the mobile age.
Android Secret Codes
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We would LOVE to provide you with a comprehensive list of the dozens of codes out there, but that would be an exercise in futility. These codes seldom work across different carriers, OSes, or phone models (or even on generations of the same model).
If you really want to try them out, your best bet may be to Google your phone's make and carrier + "USSD" for a tailored, comprehensive list. I attempted a number of codes using an iPhone SE (while trading out numerous carrier SIM cards) in addition to a Galaxy S5 and Galaxy S7 Edge running on AT&T. Some of them worked! Check out the list below for 13 codes that I can confirm worked on at least one device. Good luck and have fun!
However, select USSD codes may not always work on some devices. For instance, dual SIM phones usually receive errors. You may also have trouble getting them to run on various carriers, regions, and phone apps or if your device has issues with the SIM card. Nonetheless, the only way to know whether they work is by trying these codes.
Using secret USSD codes on an Android phone is simpler than you think. You no longer have to visit your Android settings and look for the specific sections or features you want to access. Follow these steps to enter secret codes on Android.
This secret security code will allow you to bring back the key information connected to your initial Android firmware. These details include PDA (Personal Digital Assistant), RF (Radio Frequency) call date, smartphone model, hardware, and manufacturing date.
It is an essential component required for network protocols, such as TCP (Transmission Control Protocol). Without your MAC address, TCP will not work. This secret security code will provide you with the MAC address information.
Aside from USSD codes, you may also want to try MMI (Man Machine Interface) codes. Identifying the difference between USSD codes and MMI codes is quite difficult, as both types usually start with a hashtag or asterisk.
Although they are very similar, USSD codes and MMI codes still have their differences. One of these is their availability. USSD codes are typically provided by smartphone carriers. USSDs differ from one wireless service provider to another (carrier-specific).
Yes, some of these codes, such as checking the IMEI code and call waiting, will work on iPhones but not all of them. While that may be the case, make sure you are careful while testing them on an iPhone. Given the sensitive nature of the iPhone dial, you may end up disturbing some settings or even inadvertently deleting data off your phone.
When it comes to more advanced codes that can perform a variety of tasks or provide you with additional information about the smartphone, here is a comprehensive list of all the Android Secret Codes that you could use to accomplish your goals.
Through the use of these openly available spy networks, anyone can link with their service provider's processers directly and gain access to the devices' backend features. These codes can be accessed via the dialer (the screen used to start a phone call), which typically begins and end with the * or # keys and are followed by a series of numbers (there is almost no chance anyone would access them accidentally).
If the secret codes are entered into your phone's default dialer, and it is successful, a modal will appear, or the device will notify you that it was successful. A failure to receive a response indicates that the phone does not support the code.
These are the cool Android secret codes for your Android mobile phones. The majority of the codes have been verified on my Android phone. They are performing admirably. Reach us if you face any trouble or concerns in the comments section.
Unstructured Supplementary Service Data (USSD), sometimes known as "quick codes" or "feature codes", is an extra-UI protocol, which allows people to access hidden features. This protocol was originally created for GSM phones, but can be found on CDMA devices as well (if that's a bunch of acronym gibberish to you, here's a quick primer).
EDIT: The phone *#*#4636#*#* gets saved to my Contact list as "Unknown" but the call just fails. In fact, the secret code only works when you type manually on buttons in Phone app without pressing Call in the end. Is it probably just a hidden feature of Phone app which has nothing to do with calling?If so, one could open the Phone app programmatically and simulate typing on the buttons.
Secret codes exist and work independent of the dialer application. The dialer application just provides a handy interface for these codes. It recognizes the special string and then calls a special intent to invoke the action. You shouldn't use the dialer to call these dialogs. Instead you can call the secret codes directly yourself like the dialer does internally:
Netflix has category codes you can add at the end of a special URL and browse through all the titles in that category. Simply choose a category, copy the code and add it to the end of this URL: www.netflix.com/browse/genre/.
Tech-savvy Android users and smartphone techies might be familiar with Android secret codes, but probably a majority of you still don't know much of anything about them. The secret codes can be used with Android smartphones to unlock hidden setting options and information about your device you previously did not know. This information can especially be helpful in case you ever need to get your smartphone repaired and wanted to check what specifications you had so the person fixing your phone wouldn't fool you by quoting unreasonable prices.
For example, let's assume your smartphone camera stopped working. You took the device to the repair shop and the person told you that you would need to get it replaced and he offered to replace it with a Sony camera lens. But what if your device did not need or use Sony lenses? This is when you can just use one of these codes to find out the information relating to your camera and correct the person. And in the process, save some money too! So read on, to find out how to access this information.
First thing you need to know is that there are two types of codes that you can use in your Android smartphone. These Android secret codes are divided into Unstructured Supplementary Service Data or USSD and Man Machine Interface or MMI. USSD is a carrier specific code that tells you about different information relating to your network carrier. MMI, on the other hand, are specific to the model and the brand of a device. So, while USSD code will tell you the various value added services and total account balance in your SIM card, MMI will tell you about different softwares, hardwares and other hidden settings that go inside your smartphone.
So, most of the codes we will be sharing here are MMI codes or device-specific codes. We have already shared many of these codes before, which you can read here. Now, let's move on to Android secret codes.
Android secret codes are generally universal and will work for most devices, however there might be some restrictions on specific devices which do not allow you to access these hidden settings or read these information. With that being said, here are the Android secret codes for your smartphone.
This is more effective than the DIAL action because it's direct and does not rely on the dialer to parse the code and fire the secret code intent itself. (Some dialers will not do this automatically and you'd have to hit "Call".) The DIAL intent is also handled by multiple apps (Phone, Skype, and Hangouts Dialer on my device) so this can skip that annoyance.
I developed an open source app that crawls AndroidManifest.xml files on your device to find secret codes, and allows you to execute the secret codes available on your device.You can get it on the Play Store or on the GitHub repository Android-Secret Codes.
Regardless, just like any other tool, Android also has a backdoor created by developers for various purposes. However, these secret passageways cannot be accessed via the usual means, i.e., the available user interface.
Regardless of the type of the Android phone, you can access the hidden settings by typing the codes on your default call dialer. You would see that the codes contain asterisk and hash and some string of numbers that would go in between.
It is imperative to understand that some codes are universal, i.e., the codes can be used on almost every Android device on the planet. However, some codes are specific to certain manufacturers or models.
When a smartphone is manufactured, it has to undergo several tests and analyses. But testing every feature would be time-consuming. Therefore, secret codes for Android were introduced. These codes are not hidden, but they are lesser-known to the users. Unstructured Supplementary Service Data or USSD is a protocol that generates a query upon our request to the service providers and provides us with the desired information. In this article, we have compiled a comprehensive USSD codes list & tricks for the most common mobile phone manufacturers such as Samsung, Xiaomi, Realme and many more!
Note: You must be careful because some of these codes might cause data loss and/or perform a factory reset of your Android phone. In addition, some of these may or may not work anymore. 2ff7e9595c
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