There might still be carrier restrictions on certain codes though, so they're not all guaranteed to work. The code entry procedure is very simple and only requires you to bring up your dialer keypad and enter the appropriate number sequence. Not the answer you're looking for? Tap anywhere on the screen to either color in a box green or leave a dot somewhere on the screen. . If your device isnt then its unlocked. Each rectangle where a tap is detected is highlighted, and your finger's trace is represented by a black line. As soon as you key in the code, the service menu will open up and the screen brightness on the handset will turn up to the very maximum.
It seems like this is data that would be most useful to a technician, but it is kind of cool to play with. All codes should be used with care. These codes are updated regularly as new versions of Android software are released, and some manufacturers have their own additional special codes. Go to your phone dialer and enter these codes they work in my Samsung Galaxy Nexus, Jelly Bean 4. The screen should show you whatever the front camera of the phone is seeing. This is for developers who understand the protocols.
Apex launcher was designed for android 4. Put your phone in airplane mode first 2. But if you know Android's secret codes, you can factory reset your device, find out its hidden camera information, instantly back up your precious data and much more. Tap the icon to test the vibration of the phone. I will give more info on this shortly. But hit Sensor and you'll be taken to a cool-looking screen where raw data from your phone's sensors is displayed.
All it takes to use these codes is typing them into the dialer. They can make your phone lose data, or render it unusable. The Receiver test checks the earpiece for malfunctions, and the Speaker test blasts a mysterious pop song through the loudspeaker. It was picking up the wrong frequency. Step 2: Input Your Code Head to your Phone app's dialer to enter your code. This copy is for your personal, non-commercial use only.
I won't list all of them here, but a few more important to be known include. Most of the mobile manufacturers include a hidden service menu in their mobile handsets. This is where you will be able to add different hidren settings or hidden apps to ur phone. It could be a hardware issue, a resource-heavy app, or a bloatware-infested operating system. I usually like to have some sort of diagnostic tool for my smartphones to make sure that every feature I pay for actually works. This secret menu is generally used by Samsung employees to check whether various components of a phone are working properly or not. Regardless, you'll want to know where the issue lies so you can better troubleshoot the problem.
It's important to note that some codes are carrier-specific, so they won't work on all devices. I installed the apex launcher i did not instal pro, and am able to access all of hidden menu + more. Tap the Front cam button to make sure that the front camera is operating as it should. You might even have to take your simcard out if your phone is already activated and this is not avail. This is a reported issue for some users, so it is good to test it out. I checked various websites and it doesn't appear as spyware or something related.
Test the dimming and Mega cam Tap the dimming button and the screen will be divided in three parts; red, green and blue. When you tap Sub key on the test panel, you then tap either one or both of the Sub keys to change the color on the screen, which lets you know that both buttons are functioning, as they should. I didn't even see Samsung. Referred to as , they show up when a specific and usually undocumented set of commands is given — in Android, for example, tapping several times on the device's firmware version displays a secret screen. I had to get to System recovery mode; press and hold power press power button in furhter and hold will bring up the menu.
I had to break my networks limiter in order to access it the first time. The service menu can come in particularly handy if you are buying a refurbished or second-hand unit of the Galaxy S8 or S8+ as you can check the device thoroughly for any hardware defects before buying it. Does it display the current data of the phone, like all of the network information. Tap the screen again and it should dim to about half brightness. So by now you're probably wondering how to access this secret menu. This could work on all the newer samsung devices.
Testing the color capabilities of the Galaxy S3 The top row of buttons tests the color capabilities of the phone. So if your phone doesn't respond to a code, don't dwell on it, just move on and find another one. The Touch test can be useful if you have doubts about your touchscreen's accuracy. These codes are entered via the keypad of the phone application. Phones with constant R at the Signal Bar means the phone is set to the wrong frequency. This test should re-assure you that all is working well or it will clearly identify issues that need to be fixed.