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Here I have Samsung Galaxy A5 2017 and let me show you how to use secret codes on the
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following device. So at the very beginning let's start by using your home screen
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Let's open the fonts dialer right here, let's activate the keypad and let's use all secret
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codes that you know. So let's start by using the version checking, let's use star hash, 1, 2, 3, 4, hash
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As you can see the version of the device just pops up, you can read the CSC, the model and
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other stuff. Let's go back and let's use the software and hardware info check, so the main version checking
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let's use star hash, 1, 2, 5, 8, 0, star, 3, 6, 9, hash
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As you can see the main version just pops up so you can read more specific information
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about your device. Let's go back, this time let's open the test mode, so let's use star hash, 7, 3, 5, 3, hash
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As you can see the test mode just pops up, here you can test a couple of things on your device, for example the melody, vibration, speaker, bluetooth and other stuff as well
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So if you would like to go back let's use the back arrow and you have also access to
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another testing menu, let's use the following code, star hash, 0, star hash
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And the following menu just pops up, here you can test your screen, for example the
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red, color, green, blue, you may test the receiver and other stuff as well, for example
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the speaker also. That's it, let's go back a couple of times and now let's open the service mode, so let's
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use star hash, 0, 0, 1, 1, hash. As you can see the service mode just pops up so you can read this information, you can
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also choose more key and for example use the help or the other settings
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Let's go back and let's open the battery status mode, let's use star hash, 0, 2, 2
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8, hash. And the battery status just pops up. So let's go back and this time let's open the USB settings mode, let's use star hash
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0, 8, 0, 8, hash. And the USB setting just pops up right here
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And at the end let me show you how to check the email number by using a secret code, so
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let's use star hash, 0, 6, hash and the email number just pops up, so let's tap OK to close
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this window right here. So that's it, thank you for watching, please subscribe our channel and leave thumbs up
