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Hello, today I will show you how to access different secret menus in Samsung Galaxy A9
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First let's unlock the phone by pressing the power button and swiping up
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Let's access phone and the keypad. And now we have to input a few different codes
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Let's start with the firmware codes. So we have to put in asterix, hash, 1, 2, 3, 4 and hash
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And this will open the firmware version menu. Here we can check stuff like our firmware or the full model number of our phone
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And we can leave it by pressing the back button like normal
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Let's try another code. Let's start with the advanced testing menu by putting in the asterix, hash, 0, asterix
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and hash. This opens the advanced testing menu. Here we can check things like if the screen has any dead pixels by putting in red, green, blue
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We can also check the vibration, the receiver and other things like the touch screen by
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seeing if everything works. Of course if you don't have a back button, the volume up button works as well
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And we can also check the speaker and many different things. Let's go back by pressing the back key two times
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And let's put another one. Now let's check the service mode by putting in asterix and then hash, 0, 0, 1, 1 and hash
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This is the service mode. We can check SIM information. We have two SIM slots on our phone
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The second one is in use. We can check different things about it here and go with the back button
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Another one is the battery testing menu. We put it in by putting asterix, hash, 0, 2, 2, 8 and hash
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This is the battery status menu. Here we can check the voltage, the levels, how many blocks the battery has and many different information
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Let's go back and put in another one. Here let's check the USB mode menu by putting in asterix, hash, 0, 8, 0, 8 and hash
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This is the USB settings menu. Here we can choose how our phone is being seen when it's being plugged in into a PC
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There are different modes. We can choose any one and then put OK or reboot our device
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And of course we can also always click OK to go back or the back button
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Let's check the advanced firmware menu by putting in asterix, hash, 2, 6, 6, 3, hash
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Here we have the firmware version. We can check things like the phone's touchpad firmware version or the Wi-Fi version, Bluetooth
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version and many different things. And of course we can leave it by going back
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And the last secret menu code is the asterix, hash, 0, 6, hash
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And this opens our email information. We can check what our phone's email number is or even use a barcode to scan and check it
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And that's it. These are all the secret codes in Samsung Galaxy A9
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