Samsung secret codes unlock hidden diagnostic menus, hardware tests, and software info, with popular ones including *#0*# for a general test mode, *#06# for your IMEI, *#9900# to clear junk files, and *#12580*369# for hardware/software details, but use with caution as some codes can reset or change critical settings.
1. Samsung Galaxy Secret Code for Test Functions
3️⃣ Dial *#2663# to refresh your Wi-Fi and boost internet speed. Click on TSP FW Update for touch screen firmware updates.
Dialing *#7353# on a Samsung phone opens the Quick Test Menu, a hidden diagnostic tool that lets you quickly test various hardware components like the speaker, vibration motor, sensors (accelerometer, light), touchscreen, camera, and display colors, all through simple, one-tap options for basic troubleshooting. It's a handy way to check if parts of your phone are working without needing complex apps, though some codes may vary or not work on newer models.
The Samsung secret code *#9900# opens the SysDump menu, primarily used to delete temporary junk files (dumpstate/logcat) to free up space and potentially speed up your device, and also offers options like resetting battery statistics for better performance. It's a shortcut to system functions for maintenance, allowing users to clear logs and manage battery data, but should be used with caution as it accesses system-level functions.
The 4636 code is a secret diagnostic code that grants Android phone users access to system information. With this code, one can check their data usage statistics and other features which is not typically available through the standard user interface.
*#2663# Dial this code and, in the window that opens, click on 'Refresh WiFi Version. ' This will slightly improve your phone's WiFi performance!
Carrier Reset Settings: ##72786# and ##873283# What is a Carrier Reset? A carrier reset can help resolve data connection problems by re-provisioning your phone onto the wireless network.
Make sure your phone is in 4G mode (4G icon on your phone). Dial the code *#0011# and press the “Call” button. This will take you to the Samsung Galaxy's service menu.
This is when certain elements can cause phones to act erratically. Dust or water under the screen's protective layer can cause random Ghost Touching. Small electromagnetic signals can also simulate swiping and tapping motions on your smart phone. The phone will open and close different apps, browsers, etc.
Get software and hardware info (*#12580*369#)
If you want to find your phone's software and hardware information, dial *#12580*369# to get the details instead of navigating through the Settings menu.
1 Tap on Settings then Select About Phone . 2 Select Software information . 3 All the software information will appear on the display. 4 You can check the software version by typing the code *#1234#.
Top 10 codes, keys and ciphers
The Samsung secret code *#9900# opens the SysDump menu, primarily used to delete temporary junk files (dumpstate/logcat) to free up space and potentially speed up your device, and also offers options like resetting battery statistics for better performance. It's a shortcut to system functions for maintenance, allowing users to clear logs and manage battery data, but should be used with caution as it accesses system-level functions.
Step 1. Go to Settings and tap on “Biometrics and security”. Step 2. Tap “Secure Folder”.
This unique identifier is crucial if your phone is lost or stolen, allowing authorities to track it down. *#7353#: This code opens the Quick test menu. This allows for a quick way to test certain aspects of your Android.
Now that dessert has your attention, let's focus on some of the hidden tricks and features your phone is capable of.
Typing *#0*# (star-hash-zero-star-hash) into the phone dialer on a Samsung device opens a hidden General Test Mode, a secret diagnostic menu used for checking hardware components like the screen (touch, color), sensors, speakers, cameras, and vibration. It's a valuable tool for users to self-diagnose issues or verify a device's functionality, especially when buying a used phone, as it allows you to test functions like touch responsiveness, RGB colors, and sensor accuracy.
Quick Tip: Test Your Samsung Phone with *#0*# Before buying a Samsung phone, use the code *#0*# to check its hardware! This secret menu lets you test the screen, buttons, speakers, sensors, and more. It's a quick way to ensure everything works perfectly and avoid issues later.
Just dial *#0808# to enable USB Storage Connection Mass Storage Mode — Android 4.4.