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Here I have Samsung Galaxy Grand Prime and let me show you how to use secret codes on
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the following phone. Let's start from the home screen. Let me use a phone's dialer so let's use a phone icon to open the phone's dialer
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Let's use a keypad and here you should input all secret codes that works on this device
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Let's start by checking the version of the device so let's input star hash, 1, 2, 3
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4, hash. And as you can see the version pops up in front of you
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In order to close this window simply use your back arrow. Now let's check the software and hardware information by using a main version menu
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Let's use the following code, 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 in front of you. You can read all the specifications right here
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Let's go back and now let me show you how to open the test menu
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Let's input star hash, 7, 3, 5, 3, hash. And as you can see the test menu just pops up
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You can test here some features from your device. For example you can check the melody, you can check the speaker, you can select vibration
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or for example the camera test. Excellent. If you would like to go back and quit the test menu let's use your back arrow and let
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me show you how to open another test menu on the Samsung Galaxy Grand Prime
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So all you have to do is use star hash, 0, star hash
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And as you can see here you've got some other tests. For example you can check your screen by choosing red, green
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You can also check some other features such as front camera, sub key, touch, vibration
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or speaker as well. Excellent. Let's go back by using your back arrow
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And from the phone's dialer let's input another secret code. This time let me open the service mode
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So all you have to do let's input the following code. Star hash, 0, 0, 1, 1, hash
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As you can see service mode just pops up in front of you. Let me go back and let me check the battery status
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Let's input star hash, 0, 2, 2, 8, hash. And the battery information just pops up on the screen
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We can also check USB settings by inputting the following code. Star hash, 0, 8, 0, 8, hash
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And USB settings just pops up on the screen. You can for example change the mode of the USB
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You can select MATP, PTP or some other modes. Let's go back and at the end let me show you how to check email number by using secret codes
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Let's input the following code. Star hash, 0, 6, hash. And the email number just pops up
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To close this window simply tap OK. Excellent. Thank you for watching
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