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#S4 att diag mumenu upgrade#
#S4 att diag mumenu code for android#
#S4 att diag mumenu for android#
#S4 att diag mumenu android#

Besides, you can also find out the Hardware revision version and the RF Cal (Radio Frequency Calibration) date which can also be the manufacturing date of your Samsung phone.ġ9. *#12580*369# is again a Samsung-specific secret code that can be used to find out the software version ( BL, AP, CP, and CSC). *#12580*369# – Check Software and hardware version If you own a Samsung Galaxy phone or tablet, dialing *#1234# will display the firmware version of your device and its model number.ġ8. *#1234# – Check software version (Samsung) This can be used to check whether a phone is refurbished or repaired.ġ7.

#S4 att diag mumenu android#

This simple Android secret code gives you FTA (Fault Tree Analysis) Hardware version and its revision version. By typing *#0011# on the dialer pad, you can access the network configuration, MIPI (mobile industry processor interface) test, and IMEI status test results. This code again takes you to the Service mode on your Android device. Don’t play with these settings unless you are fully aware of the consequences. You can tinker with some really complicated system settings that are certainly not meant for common users. *#9090# – Open diagnostic configuration screenīy typing *#9090# on your Android phone’s dialer, you can launch the diagnostic configuration screen in the Service Mode menu.

*#004*# – Divert calls to a specific phone numberġ4.

While you can check call diversion status by dialing *#004#, there are 3 more variations of this code for different jobs. Whether you want to check the status of call diversion on your phone, activate it for a specific phone number, deactivate the service, or simply erase all call forwarding or diversion, you can do all such things using this USSD code on your Android device. If you want to keep your privacy and prevent others from knowing when you call them, you can enable or disable caller ID by using this code. I tested these codes on the Samsung Galaxy S21 Ultra with OneUI 4.0 (Android 12) and LG Wing running Android 11. Please note that some network providers tend to block certain codes from working.

#S4 att diag mumenu upgrade#

However, if you find out the Android secret codes that are not working for you, it may be due to an OS upgrade as some codes might work only with specific iterations of Android. I have tested most of the codes given below. We already wrote an article listing all Samsung secret codes a while ago, but this post will focus on Android secret codes only.

#S4 att diag mumenu for android#

The secret codes for Android listed below will give you some key info about your device and, in some cases, tweak little things only.

#S4 att diag mumenu code for android#

If you are looking for a master unlock code for Android that can help you unlock the bootloader of your phone, you’re chasing a wild goose. The most commonly known cross-platform USSD code is ‘*#06#’ which works for all smartphones and tablets. Usually, Android users don’t need these secret codes as the hidden features and information they unveil are not useful. These numeric USSD codes take an asterisk (*) and hash (#) before and after them to function. OS developers tend to make secret backchannels and easter eggs in the form of USSD (Unstructured Supplementary Service Data) and secret codes. In this article, we’ll jot down a comprehensive list of Android secret codes and USSD codes that you can use to access a range of back-end settings, hidden features, and information on your Android smartphone or tablet. Being open-source in nature, the Android OS has a range of easter eggs and secret codes that let you unlock hidden settings options and get key information about your smartphone or tablet that lay veiled otherwise.