Our Android phone has more secrets than many of us know. To carry out some actions on the phone, we do not resort to the settings, but we make use of codes that lead us to one of the secret menus on the phone. The amount of codes of this type that are in the operating system is relatively large.
Therefore, Next we will talk about these secret codes, we tell you what they are and which are the most important that we must know in Android. Since it may be that on some occasion they will be useful to us.
USSD codes on Android
These secret codes have the name USDD, which is the acronym for "Unstructured Supplementary Service Data", which comes to say that it is the complementary service of unstructured data. It is a protocol that is responsible for sending information using GSM. Thanks to it, actions are triggered remotely by sending a specific code.
To use these secret codes on Android we don't have to install anything. The only thing we have to use is the phone application and the keyboard. So its use is really simple. Most commonly, they start or end with a hash or asterisk. The list of codes is the same globally. In some cases, it is usually the manufacturer or operator who provides this information.
But, in case this has not happened, we leave you with the secret Android codes. They are divided into several categories, so that it is easier to organize them or use the necessary one at any time.
Secret codes on Android
Before using any of them, it is good to know that by using these codes, an action is carried out on our Android phone. This can cause something to happen on the phone, such as data erasure. In addition, the menus that are displayed or the options that appear, can be in English in many cases. So you have to be careful with its useespecially if we don't really know how they work.
The vast majority of these secret codes are universal for Android phones. So most likely you will be able to use them on your device. Although depending on the brand, there are some that do not work or are different to be able to access said menu or action.
We show you below the codes divided into their categories, so that you can have a clear idea about them. In addition to each secret code, we tell you the action they cause or the use they have on our Android phone.
Information codes
| CODE | FUNCTION |
|---|---|
| * # 06 # | It is responsible for showing the IMEI of the phone |
| * # 0 * # | Information menu |
| * # * # * # * # 4636 | Device overview menu |
| * # * # * # * # 34971539 | Camera information |
| * # * # * # * # 1111 | Displays the TLC software version |
| * # * # * # * # 1234 | Shows PDA software version |
| 12580 369 * # * # | Android phone hardware and software information |
| * # # 7465625 | Device lock status |
| * # * # * # * # 232338 | It gives us the MAC address of the device |
| * # * # * # * # 2663 | Show what version of touch screen we have |
| * # * # * # * # 3264 | Show RAM version |
| * # * # 232337 # * # | You can see the Bluetooth address of the phone |
| * # * # * # * # 8255 | Google Talk Status |
| * # * # 4986 * 2650468 # * # * | Provides PDA and hardware information |
| * # * # * # * # 2222 | Provide FTA information |
| * # * # * # * # 44336 | Gives Firmware and Changelog information |
Codes for Android configuration
| CODE | FUNCTION |
|---|---|
| * # # 9090 | Android phone diagnostic settings |
| * # # 301279 | HSDPA and HSUPA settings |
| * # # 872564 | USB input settings |
Backup codes
| CODE | FUNCTION |
|---|---|
| * # * # 273282 * 255 * 663282 * # * # * | It takes care of backing up the folders |
Codes for tests
| CODE | FUNCTION |
|---|---|
| * # * # * # * # 197328640 | Open test mode on Android |
| * # * # * # * # 232339 | Test the Wi-Fi operation |
| * # * # * # * # 0842 | Brightness and vibration test of the phone |
| * # * # * # * # 2664 | Test the touch screen operation |
| * # * # * # * # 232331 | Check the Bluetooth operation |
| * # * # * # * # 7262626 | Field test |
| * # * # * # * # 1472365 | Quick analysis of GPS status |
| * # * # * # * # 1575 | Full GPS analysis |
| * # * # * # * # 0283 | Loopback test |
| * # * # 0 * # * # * | LCD test |
| * # * # * # * # 0289 | Test how audio works on Android |
| * # * # * # * # 0588 | Approach sensor analysis |
Developer codes
| CODE | FUNCTION |
|---|---|
| * # # 9900 | System dump |
| ## 778 (and green call button) | Displays the EPST menu of the phone |
