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Android secret codes to access your hidden information

enero 29, 2020

USSD codes on Android are not just secret codes that will help us nerds to play with our smartphones, even brick them sometimes. They can be useful for accessing information on your device, for development, or for performing actions quickly.

What are secret codes on Android?

USSD codes

They are often confused with secret codes on Android. First, USSD stands for Unstructured Supplementary Service Data, either in French Additional service for unstructured data. It is a protocol that allows information to be sent via GSM, 3G or 4G networks. The idea is to be able to trigger remote actions, by sending a specific code for each.

To enter them, just proceed directly from the call application pad. They usually start and end with a say or an asterisk. You can find the list with your operator, as at Orange for example. Some orders have been standardized and are available worldwide, unchanged. They allow for example to program a call transfer.

You can request information from your operator's servers using them

You can request information from your operator's servers through them, that's all. They are used at the same level as Android's own secret codes, which is why it is easy to confuse them.

In fact, it is traditionally used to request information from its mobile operator. You may know the famous # 123 # from Orange, which lets you know the balance of your credit. It's a USSD code!

The cache side of the USSD codes

This is less true now, but some experts sounded the alarm about the possibilities ofExploits on Android. The protocol can be used for malicious purposes by applications or even sites.

androidpit chatsim 4
USSD codes can for example be used by malware to act on the SIM on vulnerable smartphones. AndroidPIT

At the end of 2012, for example, a scandal hit the flagships of Samsung. They were vulnerable to a factory reset code, which could be launched directly from a web page. That said, I'm not sure what the interest is for the author of this hack, for once.

Android secret codes

They have a peculiarity, they always end in a say, but generally start with an asterisk. Unlike the USSD codes, we do not need to be connected to the network to activate them: logic, they act directly from and on the Android system.

They are actually stored in system files and depend on the version installed on the smartphone. Many codes have become obsolete when switching to Android 4.3 Jelly Bean. The most interesting of them by far is the information menu on the phone.

In addition, note that since the arrival of Lollipop certain codes are removed, other implements. We update the list when we get information, regularly.

also note that some manufacturers add their grain of salt with new codes on some of their terminals. We try to give you as complete a list as possible. It will eventually be updated when we discover new secret codes.

Warning : these codes can cause you to lose your data or even make your smartphone unusable. Most of the menus are in English and include obscure or even incomprehensible terms for ordinary people. Apply the most basic DIY rule: if you don't know exactly what you're doing, don't do it.

List of secret codes on Android

Information codes:

  • * # 06 # IMEI of the telephone
  • * # 0 * # Information menu (does not work on all phones)
  • * # * # 4636 # * # * Information menu
  • * # * # 34971539 # * # * Camera information menu
  • * # * # 1111 # * # * FTA software version
  • * # 12580 * 369 # Software and hardware info
  • * # 7465625 # Device lock status
  • * # * # 232338 # * # * Show the MAC address of the device
  • * # * # 2663 # * # * Show the version of the touch screen
  • * # * # 3264 # * # * Show version of RAM
  • * # * # 232337 # * # Show the Bluetooth address of the device
  • * # * # 8255 # * # * status of Google Talk service
  • * # * # 4986 * 2650468 # * # * Show info on phone, hardware and PDA
  • * # * # 1234 # * # * Show info about PDA and firmware
  • * # * # 2222 # * # * Show FTA info
  • * # * # 44336 # * # * Show firmware date and change list
  • * # 0228 # Battery status
  • * # 3282 * 727336 * # State of use of data
  • * # 03 # NAND flash serial number
  • * 2767 * 4387264636 # Display of the product code

Backup codes:

  • * # * # 273282 * 255 * 663282 * # * # * Backup of all media files
  • * # 8736364 # OTA updates menu

Test codes:

  • * # * # 197328640 # * # * Test mode
  • * # * # 232339 # * # * Wifi test
  • * # * # 526 # * # * Wifi test
  • * # * # 0842 # * # * Brightness / vibration test
  • * # * # 2664 # * # * Test the touch screen
  • * # * # 232331 # * # * Bluetooth test
  • * # * # 7262626 # * # * Field test
  • * # * # 1472365 # * # * Rapid GPS test
  • * # * # 1575 # * # * Full GPS test
  • * # * # 0283 # * # * Loopback packet test
  • * # * # 0 * # * # * LCD screen test
  • * # * # 0289 # * # * Audio test
  • * # * # 0673 # * # * Audio test
  • * # * # 0588 # * # * Proximity sensor test
  • * # 0782 # Clock test
  • * # 0589 # Light sensor test
  • * # 7353 # Quick test menu

Configuration codes:

  • * # 9090 # Configuration diagnostic
  • * # 301279 # HSDPA / HSUPA control menu
  • * # 872564 # USB logging control
  • * # 2263 # Band selection
  • * # 7284 # USB 12C mode control
  • ** 05 *** # Unblocking the PUK code from the emergency call screen

Useful codes for development:

  • * # 9900 # System dump mode
  • ## 778 (+ call) Show EPST menu
  • * # 273283 * 255 * 3282 * # Data creation menu
  • * # 746 # Debug dump menu

Manufacturer-specific Android secret codes:

Motorola

  • ## 7764726 Hidden menu on Motorola Droid

HTC

  • * # * # 3424 # * # * HTC test program
  • ## 786 # Reverse logistics support (info sent to the manufacturer)
  • ## 3282 # EPST menu
  • ## 3424 # Diagnostic mode
  • * # * # 8255 # * # * Monitoring Google Talk
  • ## 33284 # Field Test
  • ## 8626337 # Launch the VOCODER
  • * # * # 4636 # * # * Show the HTC information menu
  • # * # 759 # * # * Debug of the UI

Samsung

  • * # * # 197328640 # * # * Main menu of service mode
  • * # 32489 # Information on encryption
  • * # 4238378 # GCF configuration
  • * # 3214789650 # LBS test mode
  • * # 745 # RIL Dump Menu
  • * # 7412365 # Camera firmware menu
  • * # 528 # Technical mode of Wifi
  • * # 07 # History of tests
  • * # 272886 # Selection of automatic replies

Other Android secret codes:

  • * # 7780 # Factory Reset
  • * 2767 * 3855 # Full Factory Reset
  • * # * # 7594 # * # * Change the function of the power button
  • * # * # 8351 # * # * Activate the dialing log mode
  • # * # 8350 # * # * Disable dialing log mode

Codes do not use, risk of loss of data or destruction of the smartphone.

  • * # * # 7780 # * # * Reset of the / data partition
  • * 2767 * 3855 # Format the device

Do you think these codes are useful? If you note that some do not work under certain versions, do not hesitate to let us know!

This article was produced in collaboration with Quentin Ducreux.

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