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Here I have Samsung Galaxy Tab 4 and let me show you how to use secret codes on the following device
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So at the very beginning let's start by using your home screen, then let's find and select
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the phone icon in order to open the phone's dialer and now let me use all secret codes
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that works on this device. First let me check the version of the device so let's input star hash, 1, 2, 3, 4, hash
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and as you can see the version just pops up. In order to close this window let's use your back arrow and now let me check the main version
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of the device, the software and hardware info so let's use star hash, 1, 2, 5, 8, 0, star
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3, 6, 9, hash and the main version just pops up so you can read some more specific information
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about your tablet and let's go back by using your back arrow
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Now it's time to open the testing menu so let's input star hash, 7, 3, 5, 3, hash
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As you can see the testing menu just pops up, you can test some features such as melody
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vibration, speaker, camera and some other stuff such as bluetooth, dot more, jerk mode
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light sensor and some other stuff. Let's go back by using your back arrow, now let's open another testing menu so let's input
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star hash, 0, star hash and now you can test some more things such as the red light, green
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blue, you can test your receiver and for example the vibration
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You can also test the speaker, subkey, black, front camera and some other stuff
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Let's go back, now let me show you how to open the service mode so let's input star
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hash, 0, 0, 1, 1, hash and the service mode just pops up
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Let's go back, let's open the battery status by inputting star hash, 0, 2, 2, 8, hash and
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the battery status is on the screen. Let's go back and now let me open the USB settings mode by inputting star hash, 0, 8, 0, 8, hash
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and now you can change some USB modes and some settings about your USB or you can simply
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quit this mode by tapping back arrow and at the end let me also show you how to check
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your email number by using your secret code so let's input star hash, 0, 6, hash and the
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email number window just pops up. Close this window by tapping OK
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Excellent, everything went well, thank you for watching, please subscribe our channel
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and leave thumbs up under the video
